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Nikola Tesla - wikipedia Nikola Tesla For other uses , see Nikola Tesla ( disambiguation ) . Serbian American inventor <Th_colspan="2"> Nikola Tesla <Td_colspan="2"> Nikola Tesla , c. 1896 ( 1856 - 07 - 10 ) 10 July 1856 Smiljan , Austrian Empire ( modern - day Croatia ) 7 January 1943 ( 1943 - 01 - 07 ) ( aged 86 ) New York City , New York , United States Cause of death Coronary thrombosis Resting place Nikola Tesla Museum , Belgrade , Serbia Citizenship Austrian ( 1856 -- 1891 ) American ( 1891 -- 1943 ) Education Graz University of Technology ( abandoned ) <Td_colspan="2"> Engineering career Discipline Electrical engineering , Mechanical engineering Projects Alternating current , high - voltage , high - frequency power experiments Significant design Induction motor Rotating magnetic field Tesla coil Radio remote control vehicle ( torpedo ) Awards ( show ) Order of St. Sava , II Class , Government of Serbia ( 1892 ) Elliott Cresson Medal ( 1894 ) Order of Prince Danilo I ( 1895 ) Edison Medal ( 1916 ) Order of St. Sava , I Class , Government of Yugoslavia ( 1926 ) Order of the Yugoslav Crown ( 1931 ) John Scott Medal ( 1934 ) Order of the White Eagle , I Class , Government of Yugoslavia ( 1936 ) Order of the White Lion , I Class , Government of Czechoslovakia ( 1937 ) University of Paris Medal ( 1937 ) The Medal of the University St Clement of Ochrida , Sofia , Bulgaria ( 1939 ) <Td_colspan="2"> <Th_colspan="2"> Signature <Td_colspan="2"> Nikola Tesla ( / ˈtɛslə / ; Serbo - Croatian : ( nǐkola têsla ) ; Serbian Cyrillic : Никола Тесла ; 10 July 1856 -- 7 January 1943 ) was a Serbian - American inventor , electrical engineer , mechanical engineer , physicist , and futurist who is best known for his contributions to the design of the modern alternating current ( AC ) electricity supply system . Born and raised in the Austrian Empire , Tesla received an advanced education in engineering and physics in the 1870s and gained practical experience in the early 1880s working in telephony and at Continental Edison in the new electric power industry . He emigrated to the United States in 1884 , where he would become a naturalized citizen . He worked for a short time at the Edison Machine Works in New York City before he struck out on his own . With the help of partners to finance and market his ideas , Tesla set up laboratories and companies in New York to develop a range of electrical and mechanical devices . His alternating current ( AC ) induction motor and related polyphase AC patents , licensed by Westinghouse Electric in 1888 , earned him a considerable amount of money and became the cornerstone of the polyphase system which that company would eventually market . Attempting to develop inventions he could patent and market , Tesla conducted a range of experiments with mechanical oscillators / generators , electrical discharge tubes , and early X-ray imaging . He also built a wireless - controlled boat , one of the first ever exhibited . Tesla became well known as an inventor and would demonstrate his achievements to celebrities and wealthy patrons at his lab , and was noted for his showmanship at public lectures . Throughout the 1890s , Tesla pursued his ideas for wireless lighting and worldwide wireless electric power distribution in his high - voltage , high - frequency power experiments in New York and Colorado Springs . In 1893 , he made pronouncements on the possibility of wireless communication with his devices . Tesla tried to put these ideas to practical use in his unfinished Wardenclyffe Tower project , an intercontinental wireless communication and power transmitter , but ran out of funding before he could complete it . After Wardenclyffe , Tesla went on to try to develop a series of inventions in the 1910s and 1920s with varying degrees of success . Having spent most of his money , he lived in a series of New York hotels , leaving behind unpaid bills . Tesla died in New York City in January 1943 . His work fell into relative obscurity following his death , but in 1960 , the General Conference on Weights and Measures named the SI unit of magnetic flux density the tesla in his honor . There has been a resurgence in popular interest in Tesla since the 1990s . Contents ( hide ) 1 Early years 1.1 Working at Budapest Telephone Exchange 2 Working at Edison 2.1 A move to the US 3 Tesla Electric Light & Manufacturing 4 AC and the induction motor 4.1 Market turmoil 5 New York laboratories 5.1 Tesla coil 5.2 Citizenship 5.3 Wireless lighting 5.4 Steam - powered oscillating generator 5.5 Polyphase System and the Columbian Exposition 5.6 Consulting on Niagara 5.7 The Nikola Tesla Company 5.8 Lab fire 5.9 X-ray experimentation 5.10 Radio remote control 6 Wireless power 6.1 Colorado Springs 6.2 Wardenclyffe 7 Later years 7.1 Bladeless turbine 7.2 Wireless lawsuits 7.3 Nobel Prize rumors 7.4 Other ideas , awards , and patents 7.5 Living circumstances 7.6 Birthday press conferences 8 Death 8.1 Estate 9 Patents 10 Personal life 10.1 Appearance 10.2 Eidetic memory 10.3 Sleep habits 10.4 Relationships 10.5 Beliefs 10.5. 1 On experimental and theoretical physics 10.5. 2 On society 10.5. 3 On religion 11 Literary works 12 Legacy and honors 12.1 Things named after Tesla 12.1. 1 Awards 12.1. 2 Enterprises and organizations 12.1. 3 Holidays and events 12.1. 4 Measures 12.1. 5 Places 12.1. 6 Schools 12.1. 7 Songs 12.1. 8 Ships 12.2 Plaques and memorials 13 See also 14 Notes 15 References 16 Further reading 16.1 Books 16.2 Publications 16.3 Journals 16.4 Video 17 External links Early years Rebuilt , Tesla 's house ( parish hall ) in Smiljan , now in Croatia , where he was born , and the rebuilt church , where his father served . During the Yugoslav Wars , several of the buildings were severely damaged by fire . They were restored and reopened in 2006 . Tesla 's baptismal record , 28 June 1856 Nikola Tesla was born an ethnic Serb in the village Smiljan , Lika county , in the Austrian Empire ( present day Croatia ) , on 10 July ( O.S. 28 June ) 1856 . His father , Milutin Tesla ( 1819 -- 1879 ) , was an Eastern Orthodox priest . Tesla 's mother , Đuka Tesla ( née Mandić ; 1822 -- 1892 ) , whose father was also an Orthodox priest , had a talent for making home craft tools and mechanical appliances and the ability to memorize Serbian epic poems . Đuka had never received a formal education . Tesla credited his eidetic memory and creative abilities to his mother 's genetics and influence . Tesla 's progenitors were from western Serbia , near Montenegro . Tesla was the fourth of five children . He had three sisters , Milka , Angelina and Marica , and an older brother named Dane , who was killed in a horse riding accident when Tesla was aged five . In 1861 , Tesla attended primary school in Smiljan where he studied German , arithmetic , and religion . In 1862 , the Tesla family moved to the nearby Gospić , Lika where Tesla 's father worked as parish priest . Nikola completed primary school , followed by middle school . In 1870 , Tesla moved far north to Karlovac to attend high school at the Higher Real Gymnasium . The classes were held in German , as it was a school within the Austro - Hungarian Military Frontier . Tesla 's father , Milutin , was an Orthodox priest in the village of Smiljan Tesla would later write that he became interested in demonstrations of electricity by his physics professor . Tesla noted that these demonstrations of this `` mysterious phenomena '' made him want `` to know more of this wonderful force '' . Tesla was able to perform integral calculus in his head , which prompted his teachers to believe that he was cheating . He finished a four - year term in three years , graduating in 1873 . In 1873 , Tesla returned to Smiljan . Shortly after he arrived , he contracted cholera , was bedridden for nine months and was near death multiple times . Tesla 's father , in a moment of despair , ( who had originally wanted him to enter the priesthood ) promised to send him to the best engineering school if he recovered from the illness . In 1874 , Tesla evaded conscription into the Austro - Hungarian Army in Smiljan by running away southeast of Lika to Tomingaj , near Gračac . There he explored the mountains wearing hunter 's garb . Tesla said that this contact with nature made him stronger , both physically and mentally . He read many books while in Tomingaj and later said that Mark Twain 's works had helped him to miraculously recover from his earlier illness . In 1875 , Tesla enrolled at Austrian Polytechnic in Graz , Austria , on a Military Frontier scholarship . During his first year , Tesla never missed a lecture , earned the highest grades possible , passed nine exams ( nearly twice as many as required ) , started a Serb cultural club , and even received a letter of commendation from the dean of the technical faculty to his father , which stated , `` Your son is a star of first rank . '' During his second year , Tesla came into conflict with Professor Poeschl over the Gramme dynamo , when Tesla suggested that commutators were not necessary . Tesla claimed that he worked from 3 a.m. to 11 p.m. , no Sundays or holidays excepted . He was `` mortified when ( his ) father made light of ( those ) hard won honors . '' After his father 's death in 1879 , Tesla found a package of letters from his professors to his father , warning that unless he were removed from the school , Tesla would die through overwork . At the end of his second year , Tesla lost his scholarship and became addicted to gambling . During his third year , Tesla gambled away his allowance and his tuition money , later gambling back his initial losses and returning the balance to his family . Tesla said that he `` conquered ( his ) passion then and there , '' but later in the U.S. he was again known to play billiards . When examination time came , Tesla was unprepared and asked for an extension to study , but was denied . He did not receive grades for the last semester of the third year and he never graduated from the university . Tesla aged 23 , c. 1879 In December 1878 , Tesla left Graz and severed all relations with his family to hide the fact that he dropped out of school . His friends thought that he had drowned in the nearby Mur River . Tesla moved to Maribor , where he worked as a draftsman for 60 florins per month . He spent his spare time playing cards with local men on the streets . In March 1879 , Tesla 's father went to Maribor to beg his son to return home , but he refused . Nikola suffered a nervous breakdown around the same time . On 24 March 1879 , Tesla was returned to Gospić under police guard for not having a residence permit . On 17 April 1879 , Milutin Tesla died at the age of 60 after contracting an unspecified illness . Some sources say that he died of a stroke . During that year , Tesla taught a large class of students in his old school in Gospić . In January 1880 , two of Tesla 's uncles put together enough money to help him leave Gospić for Prague , where he was to study . He arrived too late to enroll at Charles - Ferdinand University ; he had never studied Greek , a required subject ; and he was illiterate in Czech , another required subject . Tesla did , however , attend lectures in philosophy at the university as an auditor and he did not receive grades for the courses . Working at Budapest telephone Exchange In 1881 , Tesla moved to Budapest , Hungary , to work under Tivadar Puskás at a telegraph company , the Budapest Telephone Exchange . Upon arrival , Tesla realized that the company , then under construction , was not functional , so he worked as a draftsman in the Central Telegraph Office instead . Within a few months , the Budapest Telephone Exchange became functional , and Tesla was allocated the chief electrician position . During his employment , Tesla made many improvements to the Central Station equipment and claimed to have perfected a telephone repeater or amplifier , which was never patented nor publicly described . Working at Edison In 1882 , Tivadar Puskás got Tesla another job in Paris with the Continental Edison Company . Tesla began working in what was then a brand new industry , installing indoor incandescent lighting citywide in the form of an electric power utility . The company had several subdivisions and Tesla worked at the Société Electrique Edison , the division in the Ivry - sur - Seine suburb of Paris in charge of installing the lighting system . There he gained a great deal of practical experience in electrical engineering . Management took notice of his advanced knowledge in engineering and physics and soon had him designing and building improved versions of generating dynamos and motors . They also sent him on to troubleshoot engineering problems at other Edison utilities being built around France and in Germany . A move to the US Edison Machine Works on Goerck Street , New York . Tesla found the change from cosmopolitan Europe to working at this shop , located amongst the tenements on Manhattan 's lower east side , a `` painful surprise '' . In 1884 , Edison manager Charles Batchelor , who had been overseeing the Paris installation , was brought back to the US to manage the Edison Machine Works , a manufacturing division situated in New York City , and asked that Tesla be brought to the US as well . In June 1884 , Tesla emigrated to the United States . He began working almost immediately at the Machine Works on Manhattan 's Lower East Side , an overcrowded shop with a workforce of several hundred machinists , laborers , managing staff , and 20 `` field engineers '' struggling with the task of building the large electric utility in that city . As in Paris , Tesla was working on troubleshooting installations and improving generators . Historian W. Bernard Carlson notes Tesla may have met company founder Thomas Alva Edison only a couple of times . One of those times was noted in Tesla 's autobiography where , after staying up all night repairing the damaged dynamos on the ocean liner SS Oregon , he ran into Batchelor and Edison , who made a quip about their `` Parisian '' being out all night . After Tesla told them he had been up all night fixing the Oregon Edison commented to Batchelor that `` this is a damned good man . '' One of the projects given to Tesla was to develop an arc lamp - based street lighting system . Arc lighting was the most popular type of street lighting but it required high voltages and was incompatible with the Edison low - voltage incandescent system , causing the company to lose contracts in cities that wanted street lighting as well . Tesla 's designs were never put into production , possibly because of technical improvements in incandescent street lighting or because of an installation deal that Edison cut with an arc lighting company . Tesla had been working at the Machine Works for a total of six months when he quit . What event precipitated his leaving is unclear . It may have been over a bonus he did not receive , either for redesigning generators or for the arc lighting system that was shelved . Tesla had previous run - ins with the Edison company over unpaid bonuses he believed he had earned . In his own biography , Tesla stated the manager of the Edison Machine Works offered a $50,000 bonus to design `` twenty - four different types of standard machines '' `` but it turned out to be a practical joke '' . Later versions of this story have Thomas Edison himself offering and then reneging on the deal , quipping `` Tesla , you do n't understand our American humor . '' The size of the bonus in either story has been noted as odd since Machine Works manager Batchelor was stingy with pay and the company did not have that amount of cash ( equivalent to $12 million today ) on hand . Tesla 's diary contains just one comment on what happened at the end of his employment , a note he scrawled across the two pages covering December 7 , 1884 , to January 4 , 1885 , saying `` Good by to the Edison Machine Works '' . Tesla Electric light & Manufacturing Soon after leaving the Edison company , Tesla was working on patenting an arc lighting system , possibly the same one he had developed at Edison . In March 1885 , he met with patent attorney Lemuel W. Serrell , the same attorney used by Edison , to obtain help with submitting the patents . Serrell introduced Tesla to two businessmen , Robert Lane and Benjamin Vail , who agreed to finance an arc lighting manufacturing and utility company in Tesla 's name , the Tesla Electric Light & Manufacturing . Tesla worked for the rest of the year obtaining the patents that included an improved DC generator , the first patents issued to Tesla in the US , and building and installing the system in Rahway , New Jersey Tesla 's new system gained notice in the technical press , which commented on its advanced features . The investors showed little interest in Tesla 's ideas for new types of alternating current motors and electrical transmission equipment . After the utility was up and running in 1886 , they decided that the manufacturing side of the business was too competitive and opted to simply run an electric utility . They formed a new utility company , abandoning Tesla 's company and leaving the inventor penniless . Tesla even lost control of the patents he had generated , since he had assigned them to the company in exchange for stock . He had to work at various electrical repair jobs and as a ditch digger for $2 per day . Later in life Tesla would recount that part of 1886 as a time of hardship , writing `` My high education in various branches of science , mechanics and literature seemed to me like a mockery '' . AC and the induction motor Drawing from U.S. Patent 381,968 , illustrating principle of Tesla 's alternating current induction motor In late 1886 , Tesla met Alfred S. Brown , a Western Union superintendent , and New York attorney Charles F. Peck . The two men were experienced in setting up companies and promoting inventions and patents for financial gain . Based on Tesla 's new ideas for electrical equipment , including a thermo - magnetic motor idea , they agreed to back the inventor financially and handle his patents . Together they formed the Tesla Electric Company in April 1887 , with an agreement that profits from generated patents would go 1 / 3 to Tesla , 1 / 3 to Peck and Brown , and 1 / 3 to fund development . They set up a laboratory for Tesla at 89 Liberty Street in Manhattan , where he worked on improving and developing new types of electric motors , generators , and other devices . In 1887 , Tesla developed an induction motor that ran on alternating current ( AC ) , a power system format that was rapidly expanding in Europe and the United States because of its advantages in long - distance , high - voltage transmission . The motor used polyphase current , which generated a rotating magnetic field to turn the motor ( a principle that Tesla claimed to have conceived in 1882 ) . This innovative electric motor , patented in May 1888 , was a simple self - starting design that did not need a commutator , thus avoiding sparking and the high maintenance of constantly servicing and replacing mechanical brushes . Along with getting the motor patented , Peck and Brown arranged to get the motor publicized , starting with independent testing to verify it was a functional improvement , followed by press releases sent to technical publications for articles to run concurrent with the issue of the patent . Physicist William Arnold Anthony ( who tested the motor ) and Electrical World magazine editor Thomas Commerford Martin arranged for Tesla to demonstrate his AC motor on 16 May 1888 at the American Institute of Electrical Engineers . Engineers working for the Westinghouse Electric & Manufacturing Company reported to George Westinghouse that Tesla had a viable AC motor and related power system -- something Westinghouse needed for the alternating current system he was already marketing . Westinghouse looked into getting a patent on a similar commutator-less , rotating magnetic field - based induction motor developed in 1885 and presented in a paper in March 1888 by Italian physicist Galileo Ferraris , but decided that Tesla 's patent would probably control the market . Nikola Tesla 's AC dynamo - electric machine ( AC Electric generator ) in an 1888 U.S. Patent 390,721 In July 1888 , Brown and Peck negotiated a licensing deal with George Westinghouse for Tesla 's polyphase induction motor and transformer designs for $60,000 in cash and stock and a royalty of $2.50 per AC horsepower produced by each motor . Westinghouse also hired Tesla for one year for the large fee of $2,000 ( $54,500 in today 's dollars ) per month to be a consultant at the Westinghouse Electric & Manufacturing Company 's Pittsburgh labs . During that year , Tesla worked in Pittsburgh , helping to create an alternating current system to power the city 's streetcars . He found it a frustrating period because of conflicts with the other Westinghouse engineers over how best to implement AC power . Between them , they settled on a 60 - cycle AC system that Tesla proposed ( to match the working frequency of Tesla 's motor ) , but they soon found that it would not work for streetcars , since Tesla 's induction motor could run only at a constant speed . They ended up using a DC traction motor instead . Market turmoil Tesla 's demonstration of his induction motor and Westinghouse 's subsequent licensing of the patent , both in 1888 , came at the time of extreme competition between electric companies . The three big firms , Westinghouse , Edison , and Thompson - Houston , were trying to grow in a capital - intensive business while financially undercutting each other . There was even a `` War of Currents '' propaganda campaign going on with Edison Electric trying to claim their direct current system was better and safer than the Westinghouse alternating current system . Competing in this market meant Westinghouse would not have the cash or engineering resources to develop Tesla 's motor and the related polyphase system right away . Two years after signing the Tesla contract , Westinghouse Electric was in trouble . The near collapse of Barings Bank in London triggered the financial panic of 1890 , causing investors to call in their loans to W.E. The sudden cash shortage forced the company to refinance its debts . The new lenders demanded that Westinghouse cut back on what looked like excessive spending on acquisition of other companies , research , and patents , including the per motor royalty in the Tesla contract . At that point , the Tesla induction motor had been unsuccessful and was stuck in development . Westinghouse was paying a $15,000 - a-year guaranteed royalty even though operating examples of the motor were rare and polyphase power systems needed to run it were even rarer . In early 1891 , George Westinghouse explained his financial difficulties to Tesla in stark terms , saying that , if he did not meet the demands of his lenders , he would no longer be in control of Westinghouse Electric and Tesla would have to `` deal with the bankers '' to try to collect future royalties . The advantages of having Westinghouse continue to champion the motor probably seemed obvious to Tesla and he agreed to release the company from the royalty payment clause in the contract . Six years later Westinghouse would purchase Tesla 's patent for a lump sum payment of $216,000 as part of a patent - sharing agreement signed with General Electric ( a company created from the 1892 merger of Edison and Thompson - Houston ) . New York laboratories Mark Twain in Tesla 's South Fifth Avenue laboratory , 1894 The money Tesla made from licensing his AC patents made him independently wealthy and gave him the time and funds to pursue his own interests . In 1889 , Tesla moved out of the Liberty Street shop Peck and Brown had rented and for the next dozen years would work out of a series of workshop / laboratory spaces in Manhattan . These included a lab at 175 Grand Street ( 1889 -- 1892 ) , the fourth floor of 33 -- 35 South Fifth Avenue ( 1892 -- 1895 ) , and sixth and seventh floors of 46 & 48 East Houston Street ( 1895 -- 1902 ) . Tesla and his hired staff would conduct some of his most significant work in these workshops . Tesla coil Main article : Tesla coil In the summer of 1889 , Tesla traveled to the 1889 Exposition Universelle in Paris and learned of Heinrich Hertz ' 1886 -- 88 experiments that proved the existence of electromagnetic radiation , including radio waves . Tesla found this new discovery `` refreshing '' and decided to explore it more fully . In repeating , and then expanding on , these experiments , Tesla tried powering a Ruhmkorff coil with a high speed alternator he had been developing as part of an improved arc lighting system but found that the high frequency current overheated the iron core and melted the insulation between the primary and secondary windings in the coil . To fix this problem Tesla came up with his Tesla coil with an air gap instead of insulating material between the primary and secondary windings and an iron core that could be moved to different positions in or out of the coil . Citizenship On 30 July 1891 , aged 35 , Tesla became a naturalized citizen of the United States . In the same year , he patented his Tesla coil . Wireless lighting Tesla demonstrating wireless lighting by `` electrostatic induction '' during an 1891 lecture at Columbia College via two long Geissler tubes ( similar to neon tubes ) in his hands . After 1890 , Tesla experimented with transmitting power by inductive and capacitive coupling using high AC voltages generated with his Tesla coil . He attempted to develop a wireless lighting system based on near - field inductive and capacitive coupling and conducted a series of public demonstrations where he lit Geissler tubes and even incandescent light bulbs from across a stage . He would spend most of the decade working on variations of this new form of lighting with the help of various investors but none of the ventures succeeded in making a commercial product out of his findings . In 1893 at St. Louis , Missouri , the Franklin Institute in Philadelphia , Pennsylvania and the National Electric Light Association , Tesla told onlookers that he was sure a system like his could eventually conduct `` intelligible signals or perhaps even power to any distance without the use of wires '' by conducting it through the Earth . Tesla served as a vice-president of the American Institute of Electrical Engineers from 1892 to 1894 , the forerunner of the modern - day IEEE ( along with the Institute of Radio Engineers ) . Steam - powered oscillating generator Main article : Tesla 's oscillator Trying to come up with a better way to generate alternating current , Tesla developed a steam powered reciprocating electricity generator . He patented it in 1893 and introduced it at the Chicago World 's Columbian Exposition that year . Steam would be forced into the oscillator and rush out through a series of ports , pushing a piston up and down that was attached to an armature . The magnetic armature vibrated up and down at high speed , producing an alternating magnetic field . This induced alternating electric current in the wire coils located adjacent . It did away with the complicated parts of a steam engine / generator , but never caught on as a feasible engineering solution to generate electricity . Polyphase system and the Columbian Exposition A Westinghouse display of the `` Tesla Polyphase System '' at Chicago 's 1893 Columbian Exposition At the beginning of 1893 , Westinghouse engineer Benjamin Lamme had made great progress developing an efficient version of Tesla 's induction motor , and Westinghouse Electric started branding their complete polyphase AC system as the `` Tesla Polyphase System '' . They believed that Tesla 's patents gave them patent priority over other AC systems . Westinghouse Electric asked Tesla to participate in the 1893 World 's Columbian Exposition in Chicago where the company had a large space in a building devoted to electrical exhibits . Westinghouse Electric won the bid to light the Exposition with alternating current and it was a key event in the history of AC power , as the company demonstrated to the American public the safety , reliability , and efficiency of a fully integrated alternating current system . Tesla showed a series of electrical effects related to alternating current as well as his wireless lighting system , using a demonstration he had previously performed throughout America and Europe ; these included using high - voltage , high - frequency alternating current to light a wireless gas - discharge lamp . An observer noted : Within the room were suspended two hard - rubber plates covered with tin foil . These were about fifteen feet apart , and served as terminals of the wires leading from the transformers . When the current was turned on , the lamps or tubes , which had no wires connected to them , but lay on a table between the suspended plates , or which might be held in the hand in almost any part of the room , were made luminous . These were the same experiments and the same apparatus shown by Tesla in London about two years previous , `` where they produced so much wonder and astonishment '' . Tesla also explained the principles of the rotating magnetic field in an induction motor by demonstrating how to make a copper egg stand on end , using a device that he constructed known as the Egg of Columbus and introduced his new steam powered oscillator AC generator . Consulting on Niagara In 1893 , Edward Dean Adams , who headed up the Niagara Falls Cataract Construction Company , sought Tesla 's opinion on what system would be best to transmit power generated at the falls . Over several years , there had been a series of proposals and open competitions on how best to use power generated by the falls . Among the systems proposed by several US and European companies were two - phase and three - phase AC , high - voltage DC , and compressed air . Adams pumped Tesla for information about the current state of all the competing systems . Tesla advised Adams that a two - phased system would be the most reliable , and that there was a Westinghouse system to light incandescent bulbs using two - phase alternating current . The company awarded a contract to Westinghouse Electric for building a two - phase AC generating system at the Niagara Falls , based on Tesla 's advice and Westinghouse 's demonstration at the Columbian Exposition that they could build a complete AC system . At the same time , a further contract was awarded to General Electric to build the AC distribution system . The Nikola Tesla company In 1895 , Edward Dean Adams , impressed with what he saw when he toured Tesla 's lab , agreed to help found the Nikola Tesla Company , set up to fund , develop , and market a variety of previous Tesla patents and inventions as well as new ones . Alfred Brown signed on , bringing along patents developed under Peck and Brown . The board was filled out with William Birch Rankine and Charles F. Coaney . It found few investors ; the mid-1890s was a tough time financially , and the wireless lighting and oscillators patents it was set up to market never panned out . The company would handle Tesla 's patents for decades to come . Lab fire In the early morning hours of March 13 , 1895 , the South Fifth Avenue building that housed Tesla 's lab caught fire . It started in the basement of the building and was so intense Tesla 's 4th floor lab burned and collapsed into the second floor . The fire not only set back Tesla 's ongoing projects , it destroyed a collection of early notes and research material , models , and demonstration pieces , including many that had been exhibited at the 1893 Worlds Colombian Exposition . Tesla told The New York Times `` I am in too much grief to talk . What can I say ? '' After the fire Tesla moved to 46 & 48 East Houston Street and rebuilt his lab on the 6th and 7th floors . X-ray experimentation X-ray of a hand , taken by Tesla Starting in 1894 , Tesla began investigating what he referred to as radiant energy of `` invisible '' kinds after he had noticed damaged film in his laboratory in previous experiments ( later identified as `` Roentgen rays '' or `` X-Rays '' ) . His early experiments were with Crookes tubes , a cold cathode electrical discharge tube . Tesla may have inadvertently captured an X-ray image -- predating , by a few weeks , Wilhelm Röntgen 's December 1895 announcement of the discovery of x-rays -- when he tried to photograph Mark Twain illuminated by a Geissler tube , an earlier type of gas discharge tube . The only thing captured in the image was the metal locking screw on the camera lens . In 1898 , Tesla demonstrated a radio - controlled boat which he hoped to sell as a guided torpedo to navies around the world . In March 1896 , after hearing of Wilhelm Röntgen 's discovery of X-ray and X-ray imaging ( radiography ) , Tesla proceeded to do his own experiments in X-ray imaging , developing a high energy single terminal vacuum tube of his own design that had no target electrode and that worked from the output of the Tesla Coil ( the modern term for the phenomenon produced by this device is bremsstrahlung or braking radiation ) . In his research , Tesla devised several experimental setups to produce X-rays . Tesla held that , with his circuits , the `` instrument will ... enable one to generate Roentgen rays of much greater power than obtainable with ordinary apparatus . '' Tesla noted the hazards of working with his circuit and single - node X-ray - producing devices . In his many notes on the early investigation of this phenomenon , he attributed the skin damage to various causes . He believed early on that damage to the skin was not caused by the Roentgen rays , but by the ozone generated in contact with the skin , and to a lesser extent , by nitrous acid . Tesla incorrectly believed that X-rays were longitudinal waves , such as those produced in waves in plasmas . These plasma waves can occur in force - free magnetic fields . On 11 July 1934 , the New York Herald Tribune published an article on Tesla , in which he recalled an event that would occasionally take place while experimenting with his single - electrode vacuum tubes ; a minute particle would break off the cathode , pass out of the tube , and physically strike him : Tesla said he could feel a sharp stinging pain where it entered his body , and again at the place where it passed out . In comparing these particles with the bits of metal projected by his `` electric gun , '' Tesla said , `` The particles in the beam of force ... will travel much faster than such particles ... and they will travel in concentrations . '' Radio remote control In 1898 , Tesla demonstrated a boat that used a coherer - based radio control -- which he dubbed `` telautomaton '' -- to the public during an electrical exhibition at Madison Square Garden . The crowd that witnessed the demonstration made outrageous claims about the workings of the boat , such as magic , telepathy , and being piloted by a trained monkey hidden inside . Tesla tried to sell his idea to the U.S. military as a type of radio - controlled torpedo , but they showed little interest . Remote radio control remained a novelty until World War I and afterward , when a number of countries used it in military programs . Tesla took the opportunity to further demonstrate `` Teleautomatics '' in an address to a meeting of the Commercial Club in Chicago , while he was travelling to Colorado Springs , on 13 May 1899 . Wireless power Further information : Wireless power transfer § Tesla Tesla sitting in front of a spiral coil used in his wireless power experiments at his East Houston St. laboratory From the 1890s through 1906 , Tesla spent a great deal of his time and fortune on a series of projects trying to develop the transmission of electrical power without wires . It was an expansion of his idea of using coils to transmit power that he had been demonstrating in wireless lighting . He saw this as not only a way to transmit large amounts of power around the world but also , as he had pointed out in his earlier lectures , a way to transmit worldwide communications . At the time Tesla was formulating his ideas , there was no feasible way to wirelessly transmit communication signals over long distances , let alone large amounts of power . Tesla had studied radio waves early on , and came to the conclusion that part of existing study on them , by Hertz , was incorrect . Also , this new form of radiation was widely considered at the time to be a short - distance phenomenon that seemed to die out in less than a mile . Tesla noted that , even if theories on radio waves were true , they were totally worthless for his intended purposes since this form of `` invisible light '' would diminish over distance just like any other radiation and would travel in straight lines right out into space , becoming `` hopelessly lost '' . By the mid 1890s , Tesla was working on the idea that he might be able to conduct electricity long distance through the Earth or the atmosphere , and began working on experiments to test this idea including setting up a large resonance transformer magnifying transmitter in his East Houston Street lab . Seeming to borrow from a common idea at the time that the Earth 's atmosphere was conductive , he proposed a system composed of balloons suspending , transmitting , and receiving , electrodes in the air above 30,000 feet ( 9,100 m ) in altitude , where he thought the lower pressure would allow him to send high voltages ( millions of volts ) long distances . Colorado Springs See also : Tesla Experimental Station ; Magnifying transmitter ; and Colorado Springs Notes , 1899 -- 1900 Tesla 's Colorado Springs laboratory To further study the conductive nature of low pressure air , Tesla set up an experimental station at high altitude in Colorado Springs during 1899 . There he could safely operate much larger coils than in the cramped confines of his New York lab , and an associate had made an arrangement for the El Paso Power Company to supply alternating current free of charge . To fund his experiments he convinced John Jacob Astor IV to invest $100,000 to become a majority share holder in the Nikola Tesla Company . Astor thought he was primarily investing in the new wireless lighting system . Instead , Tesla used the money to fund his Colorado Springs experiments . Upon his arrival , he told reporters that he planned to conduct wireless telegraphy experiments , transmitting signals from Pikes Peak to Paris . A multiple exposure picture of Tesla sitting next to his `` magnifying transmitter '' generating millions of volts . The 7 - metre ( 23 ft ) long arcs were not part of the normal operation , but only produced for effect by rapidly cycling the power switch . There he conducted experiments with a large coil operating in the megavolts range , producing artificial lightning ( and thunder ) consisting of millions of volts and up to 135 feet ( 41 m ) long discharges and , at one point , inadvertently burned out the generator in El Paso , causing a power outage . The observations he made of the electronic noise of lightning strikes , led him to ( incorrectly ) conclude that he could use the entire globe of the Earth to conduct electrical energy . During his time at his laboratory , Tesla observed unusual signals from his receiver which he speculated to be communications from another planet . He mentioned them in a letter to a reporter in December 1899 and to the Red Cross Society in December 1900 . Reporters treated it as a sensational story and jumped to the conclusion Tesla was hearing signals from Mars . He expanded on the signals he heard in a 9 February 1901 Collier 's Weekly article `` Talking With Planets '' where he said it had not been immediately apparent to him that he was hearing `` intelligently controlled signals '' and that the signals could come from Mars , Venus , or other planets . It has been hypothesized that he may have intercepted Guglielmo Marconi 's European experiments in July 1899 -- Marconi may have transmitted the letter S ( dot / dot / dot ) in a naval demonstration , the same three impulses that Tesla hinted at hearing in Colorado -- or signals from another experimenter in wireless transmission . Tesla had an agreement with the editor of The Century Magazine to produce an article on his findings . The magazine sent a photographer to Colorado to photograph the work being done there . The article , titled `` The Problem of Increasing Human Energy '' , appeared in the June 1900 edition of the magazine . He explained the superiority of the wireless system he envisioned but the article was more of a lengthy philosophical treatise than an understandable scientific description of his work , illustrated with what were to become iconic images of Tesla and his Colorado Springs experiments . Wardenclyffe Main article : Wardenclyffe Tower Tesla 's Wardenclyffe plant on Long Island in 1904 . From this facility , Tesla hoped to demonstrate wireless transmission of electrical energy across the Atlantic . Tesla made the rounds in New York trying to find investors for what he thought would be a viable system of wireless transmission , wining and dining them at the Waldorf - Astoria 's Palm Garden ( the hotel where he was living at the time ) , The Players Club , and Delmonico 's . In March 1901 , he obtained $150,000 ( $4,412,400 in today 's dollars ) from J. Pierpont Morgan in return for a 51 % share of any generated wireless patents , and began planning the Wardenclyffe Tower facility to be built in Shoreham , New York , 100 miles ( 161 km ) east of the city on the North Shore of Long Island . By July 1901 , Tesla had expanded his plans to build a more powerful transmitter to leap ahead of Marconi 's radio based system , which Tesla thought was a copy of his own system . He approached Morgan to ask for more money to build the larger system but Morgan refused to supply any further funds . In December 1901 , Marconi successfully transmitted the letter S from England to Newfoundland , defeating Tesla in the race to be first to complete such a transmission . A month after Marconi 's success , Tesla tried to get Morgan to back an even larger plan to transmit messages and power by controlling `` vibrations throughout the globe '' . Over the next five years , Tesla wrote more than 50 letters to Morgan , pleading for and demanding additional funding to complete the construction of Wardenclyffe . Tesla continued the project for another nine months into 1902 . The tower was erected to its full 187 feet ( 57 m ) . In June 1902 , Tesla moved his lab operations from Houston Street to Wardenclyffe . Investors on Wall Street were putting their money into Marconi 's system , and some in the press began turning against Tesla 's project , claiming it was a hoax . The project came to a halt in 1905 , and in 1906 , the financial problems and other events may have led to what Tesla biographer Marc J. Seifer suspects was a nervous breakdown on Tesla 's part . Tesla mortgaged the Wardenclyffe property to cover his debts at the Waldorf - Astoria , which eventually mounted to $20,000 ( $488,600 in today 's dollars ) . He lost the property in foreclosure in 1915 , and in 1917 the Tower was demolished by the new owner to make the land a more viable real estate asset . Later years After Wardencyiffe closed , Tesla continued to write to Morgan ; after `` the great man '' died , Tesla wrote to Morgan 's son Jack , trying to get further funding for the project . In 1906 , Tesla opened offices at 165 Broadway in Manhattan , trying to raise further funds by developing and marketing his patents . He went on to have offices at the Metropolitan Life Tower from 1910 to 1914 ; rented for a few months at the Woolworth Building , moving out because he could not afford the rent ; and then to office space at 8 West 40th Street from 1915 to 1925 . After moving to 8 West 40th Street , he was effectively bankrupt . Most of his patents had run out and he was having trouble with the new inventions he was trying to develop . Bladeless turbine Tesla 's bladeless turbine design On his 50th birthday , in 1906 , Tesla demonstrated a 200 horsepower ( 150 kilowatts ) 16,000 rpm bladeless turbine . During 1910 -- 1911 at the Waterside Power Station in New York , several of his bladeless turbine engines were tested at 100 -- 5,000 hp . Tesla worked with several companies including the period 1919 -- 1922 working in Milwaukee for Allis - Chalmers . He spent most of his time trying to perfect the Tesla turbine with Hans Dahlstrand , the head engineer at the company , but engineering difficulties meant it was never made into a practical device . Tesla did license the idea to a precision instrument company and it found use in the form of luxury car speedometers and other instruments . Wireless lawsuits When World War I broke out , the British cut the transatlantic telegraph cable linking the US to Germany in order to control the flow of information between the two countries . They also tried to shut off German wireless communication to and from the US by having the US Marconi Company sue the German radio company Telefunken for patent infringement . Telefunken brought in the physicists Jonathan Zenneck and Karl Ferdinand Braun for their defense , and hired Tesla as a witness for two years for $1,000 a month . The case stalled and then went moot when the US entered the war against Germany in 1917 . In 1915 , Tesla attempted to sue the Marconi Company for infringement of his wireless tuning patents . Marconi 's initial radio patent had been awarded in the US in 1897 , but his 1900 patent submission covering improvements to radio transmission had been rejected several times , before it was finally approved in 1904 , on the grounds that it infringed on other existing patents including two 1897 Tesla wireless power tuning patents . Tesla 's 1915 case went nowhere , but in a related case , where the Marconi Company tried to sue the US government over WWI patent infringements , a Supreme Court of the United States 1943 decision restored the prior patents of Oliver Lodge , John Stone , and Tesla . The court declared that their decision had no bearing on Marconi 's claim as the first to achieve radio transmission , just that since Marconi 's claim to certain patented improvements were questionable , the company could not claim infringement on those same patents . Nobel prize rumors On 6 November 1915 , a Reuters news agency report from London had the 1915 Nobel Prize in Physics awarded to Thomas Edison and Nikola Tesla ; however , on 15 November , a Reuters story from Stockholm stated the prize that year was being awarded to Sir William Henry Bragg and William Lawrence Bragg `` for their services in the analysis of crystal structure by means of X-rays . '' There were unsubstantiated rumors at the time that either Tesla or Edison had refused the prize . The Nobel Foundation said , `` Any rumor that a person has not been given a Nobel Prize because he has made known his intention to refuse the reward is ridiculous '' ; a recipient could decline a Nobel Prize only after he is announced a winner . There have been subsequent claims by Tesla biographers that Edison and Tesla were the original recipients and that neither was given the award because of their animosity toward each other ; that each sought to minimize the other 's achievements and right to win the award ; that both refused ever to accept the award if the other received it first ; that both rejected any possibility of sharing it ; and even that a wealthy Edison refused it to keep Tesla from getting the $20,000 prize money . In the years after these rumors , neither Tesla nor Edison won the prize ( although Edison did receive one of 38 possible bids in 1915 and Tesla did receive one of 38 possible bids in 1937 ) . Other ideas , awards , and patents Tesla won numerous medals and awards over this time . They include : Order of St. Sava , II Class , Government of Serbia ( 1892 ) Elliott Cresson Medal ( 1894 ) Order of Prince Danilo I ( 1895 ) AIEE Edison Medal ( 1917 ) . Order of St. Sava , I Class , Government of Yugoslavia ( 1926 ) Order of the Yugoslav Crown ( 1931 ) John Scott Medal ( 1934 ) Order of the White Eagle , I Class , Government of Yugoslavia ( 1936 ) Order of the White Lion , I Class , Government of Czechoslovakia ( 1937 ) University of Paris Medal ( 1937 ) The Medal of the University St. Clement of Ochrida , Sofia , Bulgaria ( 1939 ) Second banquet meeting of the Institute of Radio Engineers , 23 April 1915 . Tesla seen standing in the center . Tesla attempted to market several devices based on the production of ozone . These included his 1900 Tesla Ozone Company selling an 1896 patented device based on his Tesla Coil , used to bubble ozone through different types of oils to make a therapeutic gel . He also tried to develop a variation of this a few years later as a room sanitizer for hospitals . Tesla theorized that the application of electricity to the brain enhanced intelligence . In 1912 , he crafted `` a plan to make dull students bright by saturating them unconsciously with electricity , '' wiring the walls of a schoolroom and , `` saturating ( the schoolroom ) with infinitesimal electric waves vibrating at high frequency . The whole room will thus , Mr. Tesla claims , be converted into a health - giving and stimulating electromagnetic field or ' bath . ' '' The plan was , at least provisionally , approved by then superintendent of New York City schools , William H. Maxwell . Before World War I , Tesla sought overseas investors . After the war started , Tesla lost the funding he was receiving from his patents in European countries . In the August 1917 edition of the magazine Electrical Experimenter , Tesla postulated that electricity could be used to locate submarines via using the reflection of an `` electric ray '' of `` tremendous frequency , '' with the signal being viewed on a fluorescent screen ( a system that has been noted to have a superficial resemblance to modern radar ) . Tesla was incorrect in his assumption that high frequency radio waves would penetrate water . Émile Girardeau , who helped develop France 's first radar system in the 1930s , noted in 1953 that Tesla 's general speculation that a very strong high - frequency signal would be needed was correct . Girardeau said , `` ( Tesla ) was prophesying or dreaming , since he had at his disposal no means of carrying them out , but one must add that if he was dreaming , at least he was dreaming correctly . '' In 1928 , Tesla received U.S. Patent 1,655,114 , for a biplane capable of taking off vertically ( VTOL aircraft ) and then of being `` gradually tilted through manipulation of the elevator devices '' in flight until it was flying like a conventional plane . Tesla thought the plane would sell for less than $1,000 , although the aircraft has been described as impractical . This would be his last patent and at this time Tesla closed his last office at 350 Madison Ave. , which he had moved into two years earlier . Living circumstances Since 1900 , Tesla had been living at the Waldorf Astoria in New York running up a large bill . In 1922 , he moved to St. Regis Hotel and would follow a pattern from then on of moving to a new hotel every few years leaving behind unpaid bills . Tesla would walk to the park every day to feed the pigeons . He took to feeding them at the window of his hotel room and bringing the injured ones in to nurse back to health . He said that he had been visited by a specific injured white pigeon daily . Tesla spent over $2,000 , including building a device that comfortably supported her so her bones could heal , to fix her broken wing and leg . Tesla stated : I have been feeding pigeons , thousands of them for years . But there was one , a beautiful bird , pure white with light grey tips on its wings ; that one was different . It was a female . I had only to wish and call her and she would come flying to me . I loved that pigeon as a man loves a woman , and she loved me . As long as I had her , there was a purpose to my life . Tesla 's unpaid bills , and complaints about the mess from his pigeon - feeding , forced him to leave the St. Regis in 1923 , the Hotel Pennsylvania in 1930 , and the Hotel Governor Clinton in 1934 . At one point , he also took rooms at the Hotel Marguery . In 1934 , Tesla moved to the Hotel New Yorker , and Westinghouse Electric & Manufacturing Company began paying him $125 per month as well as paying his rent , expenses the Company would pay for the rest of Tesla 's life . Accounts of how this came about vary . Several sources say Westinghouse was worried ( or warned ) about potential bad publicity surrounding the impoverished conditions under which their former star inventor was living . The payment has been described as being couched as a `` consulting fee '' to get around Tesla 's aversion to accept charity , or by one biographer ( Marc Seifer ) as a type of unspecified settlement . Birthday Press conferences Tesla on Time magazine commemorating his 75th birthday In 1931 , Kenneth Swezey , a young writer who had been associated with Tesla for some time , organized a celebration for the inventor 's 75th birthday . Tesla received congratulatory letters from more than 70 pioneers in science and engineering , including Albert Einstein , and he was also featured on the cover of Time magazine . The cover caption `` All the world 's his power house '' noted his contribution to electrical power generation . The party went so well that Tesla made it an annual event , an occasion where he would put out a large spread of food and drink ( featuring dishes of his own creation ) and invite the press to see his inventions and hear stories about past exploits , views on current events , or sometimes odd or baffling claims . Newspaper representation of the thought camera Tesla described at his 1933 birthday party At the 1932 occasion , Tesla claimed he had invented a motor that would run on cosmic rays . In 1933 , at age 77 , Tesla told reporters that , after thirty - five years of work , he was on the verge of producing proof of a new form of energy . He claimed it was a theory of energy that was `` violently opposed '' to Einsteinian physics , and could be tapped with an apparatus that would be cheap to run and last 500 years . He also told reporters he was working on a way to transmit individualized private radio wavelengths , working on breakthroughs in metallurgy , and developing a way to photograph the retina to record thought . At the 1934 party , Tesla told reporters he had designed a superweapon he claimed would end all war . He would call it `` teleforce '' , but was usually referred to as his death ray . Tesla described it as a defensive weapon that would be put up along the border of a country to be used against attacking ground - based infantry or aircraft . Tesla never revealed detailed plans of how the weapon worked during his lifetime , but in 1984 , they surfaced at the Nikola Tesla Museum archive in Belgrade . The treatise , The New Art of Projecting Concentrated Non-dispersive Energy through the Natural Media , described an open - ended vacuum tube with a gas jet seal that allows particles to exit , a method of charging slugs of tungsten or mercury to millions of volts , and directing them in streams ( through electrostatic repulsion ) . Tesla tried to interest the US War Department , the United Kingdom , the Soviet Union , and Yugoslavia in the device . In 1935 , at his 79th birthday party , Tesla covered many topics . He claimed to have discovered the cosmic ray in 1896 and invented a way to produce direct current by induction , and made many claims about his mechanical oscillator . Describing the device ( which he expected would earn him $100 million within two years ) he told reporters that a version of his oscillator had caused an earthquake in his 46 East Houston Street lab and neighboring streets in downtown New York City in 1898 . He went on to tell reporters his oscillator could destroy the Empire State Building with 5 lbs of air pressure . He also explained a new technique he developed using his oscillators he called `` Telegeodynamics '' , using it to transmit vibrations into the ground that he claimed would work over any distance to be used for communication or locating underground mineral deposits . At his 1937 celebration in the Grand Ballroom of Hotel New Yorker , Tesla received the `` Order of the White Lion '' from the Czechoslovakia ambassador and a medal from the Yugoslavian ambassador . On questions concerning the death ray , Tesla stated , `` But it is not an experiment ... I have built , demonstrated and used it . Only a little time will pass before I can give it to the world . '' In the fall of 1937 , after midnight one night , Tesla left the Hotel New Yorker to make his regular commute to the cathedral and the library to feed the pigeons . While crossing a street a couple of blocks from the hotel , Tesla was unable to dodge a moving taxicab and was thrown to the ground . His back was severely wrenched and three of his ribs were broken in the accident . The full extent of his injuries were never known ; Tesla refused to consult a doctor , an almost lifelong custom , and never fully recovered . Death Gilded urn with Tesla 's ashes , in his favorite geometrical object , a sphere ( Nikola Tesla Museum , Belgrade ) On 7 January 1943 , at the age of 86 , Tesla died alone in Room 3327 of the New Yorker Hotel . His body was later found by maid Alice Monaghan after she had entered Tesla 's room , ignoring the `` do not disturb '' sign that Tesla had placed on his door two days earlier . Assistant medical examiner H.W. Wembley examined the body and ruled that the cause of death had been coronary thrombosis . Two days later the Federal Bureau of Investigation ordered the Alien Property Custodian to seize Tesla 's belongings , even though Tesla was an American citizen . John G. Trump , a professor at M.I.T. and a well - known electrical engineer serving as a technical aide to the National Defense Research Committee , was called in to analyze the Tesla items , which were being held in custody . After a three - day investigation , Trump 's report concluded that there was nothing which would constitute a hazard in unfriendly hands , stating : ( Tesla 's ) thoughts and efforts during at least the past 15 years were primarily of a speculative , philosophical , and somewhat promotional character often concerned with the production and wireless transmission of power ; but did not include new , sound , workable principles or methods for realizing such results . In a box purported to contain a part of Tesla 's `` death ray '' , Trump found a 45 - year - old multidecade resistance box . On 10 January 1943 , New York City mayor Fiorello La Guardia read a eulogy written by Slovene - American author Louis Adamic live over the WNYC radio while violin pieces `` Ave Maria '' and `` Tamo daleko '' were played in the background . On 12 January , two thousand people attended a state funeral for Tesla at the Cathedral of Saint John the Divine . After the funeral , Tesla 's body was taken to the Ferncliff Cemetery in Ardsley , New York , where it was later cremated . The following day , a second service was conducted by prominent priests in the Trinity Chapel ( today 's Serbian Orthodox Cathedral of Saint Sava ) in New York City . Estate In 1952 , following pressure from Tesla 's nephew , Sava Kosanović , Tesla 's entire estate was shipped to Belgrade in 80 trunks marked N.T. In 1957 , Kosanović 's secretary Charlotte Muzar transported Tesla 's ashes from the United States to Belgrade . The ashes are displayed in a gold - plated sphere on a marble pedestal in the Nikola Tesla Museum . Patents Main article : List of Nikola Tesla patents Tesla obtained around 300 patents worldwide for his inventions . Some of Tesla 's patents are not accounted for , and various sources have discovered some that have lain hidden in patent archives . There are a minimum of 278 known patents issued to Tesla in 26 countries . Many of Tesla 's patents were in the United States , Britain , and Canada , but many other patents were approved in countries around the globe . Many inventions developed by Tesla were not put into patent protection . Personal life Tesla worked every day from 9 : 00 a.m. until 6 : 00 p.m. or later , with dinner from exactly 8 : 10 p.m. , at Delmonico 's restaurant and later the Waldorf - Astoria Hotel . Tesla would telephone his dinner order to the headwaiter , who also could be the only one to serve him . `` The meal was required to be ready at eight o'clock ... He dined alone , except on the rare occasions when he would give a dinner to a group to meet his social obligations . Tesla would then resume his work , often until 3 : 00 a.m. '' For exercise , Tesla walked between 8 and 10 miles ( 13 and 16 km ) per day . He curled his toes one hundred times for each foot every night , saying that it stimulated his brain cells . In an interview with newspaper editor Arthur Brisbane , Tesla said that he did not believe in telepathy , stating , `` Suppose I made up my mind to murder you , '' he said , `` In a second you would know it . Now , is n't that wonderful ? By what process does the mind get at all this ? '' In the same interview , Tesla said that he believed that all fundamental laws could be reduced to one . Tesla became a vegetarian in his later years , living on only milk , bread , honey , and vegetable juices . Appearance Tesla , aged 34 , circa 1890 . Photo by Napoleon Sarony Tesla was 6 feet 2 inches ( 1.88 m ) tall and weighed 142 pounds ( 64 kg ) , with almost no weight variance from 1888 to about 1926 . His appearance was described by newspaper editor Arthur Brisbane as `` almost the tallest , almost the thinnest and certainly the most serious man who goes to Delmonico 's regularly '' . He was an elegant , stylish figure in New York City , meticulous in his grooming , clothing , and regimented in his daily activities , an appearance he maintained as to further his business relationships . He was also described as having light eyes , `` very big hands '' , and `` remarkably big '' thumbs . Eidetic memory Tesla read many works , memorizing complete books , and supposedly possessed a photographic memory . He was a polyglot , speaking eight languages : Serbo - Croatian , Czech , English , French , German , Hungarian , Italian , and Latin . Tesla related in his autobiography that he experienced detailed moments of inspiration . During his early life , Tesla was repeatedly stricken with illness . He suffered a peculiar affliction in which blinding flashes of light would appear before his eyes , often accompanied by visions . Often , the visions were linked to a word or idea he might have come across ; at other times they would provide the solution to a particular problem he had encountered . Just by hearing the name of an item , he would be able to envision it in realistic detail . Tesla would visualize an invention in his mind with extreme precision , including all dimensions , before moving to the construction stage , a technique sometimes known as picture thinking . He typically did not make drawings by hand but worked from memory . Beginning in his childhood , Tesla had frequent flashbacks to events that had happened previously in his life . Sleep habits Tesla claimed never to sleep more than two hours per night . However , he did admit to `` dozing '' from time to time `` to recharge his batteries . '' During his second year of study at Graz , Tesla developed a passionate proficiency for billiards , chess , and card - playing , sometimes spending more than 48 hours in a stretch at a gaming table . On one occasion at his laboratory , Tesla worked for a period of 84 hours without rest . Kenneth Swezey , a journalist whom Tesla had befriended , confirmed that Tesla rarely slept . Swezey recalled one morning when Tesla called him at 3 a.m. : `` I was sleeping in my room like one dead ... Suddenly , the telephone ring awakened me ... ( Tesla ) spoke animatedly , with pauses , ( as he ) ... work ( ed ) out a problem , comparing one theory to another , commenting ; and when he felt he had arrived at the solution , he suddenly closed the telephone . '' Relationships Tesla never married , explaining that his chastity was very helpful to his scientific abilities . He once said in earlier years that he felt he could never be worthy enough for a woman , considering women superior in every way . His opinion had started to sway in later years when he felt that women were trying to outdo men and make themselves more dominant . This `` new woman '' was met with much indignation from Tesla , who felt that women were losing their femininity by trying to be in power . In an interview with the Galveston Daily News on 10 August 1924 he stated , `` In place of the soft voiced , gentle woman of my reverent worship , has come the woman who thinks that her chief success in life lies in making herself as much as possible like man -- in dress , voice and actions , in sports and achievements of every kind ... The tendency of women to push aside man , supplanting the old spirit of cooperation with him in all the affairs of life , is very disappointing to me '' . Although he told a reporter in later years that he sometimes felt that by not marrying , he had made too great a sacrifice to his work , Tesla chose to never pursue or engage in any known relationships , instead finding all the stimulation he needed in his work . Tesla was asocial and prone to seclude himself with his work . However , when he did engage in a social life , many people spoke very positively and admiringly of Tesla . Robert Underwood Johnson described him as attaining a `` distinguished sweetness , sincerity , modesty , refinement , generosity , and force . '' His secretary , Dorothy Skerrit , wrote : `` his genial smile and nobility of bearing always denoted the gentlemanly characteristics that were so ingrained in his soul . '' Tesla 's friend , Julian Hawthorne , wrote , `` seldom did one meet a scientist or engineer who was also a poet , a philosopher , an appreciator of fine music , a linguist , and a connoisseur of food and drink . '' Tesla was a good friend of Francis Marion Crawford , Robert Underwood Johnson , Stanford White , Fritz Lowenstein , George Scherff , and Kenneth Swezey . In middle age , Tesla became a close friend of Mark Twain ; they spent a lot of time together in his lab and elsewhere . Twain notably described Tesla 's induction motor invention as `` the most valuable patent since the telephone . '' In the late 1920s , Tesla befriended George Sylvester Viereck , a poet , writer , mystic , and later , a Nazi propagandist . Tesla occasionally attended dinner parties held by Viereck and his wife . Tesla could be harsh at times and openly expressed disgust for overweight people , such as when he fired a secretary because of her weight . He was quick to criticize clothing ; on several occasions , Tesla directed a subordinate to go home and change her dress . When Thomas Edison died , in 1931 , Tesla contributed the only negative opinion to The New York Times , buried in an extensive coverage of Edison 's life : He had no hobby , cared for no sort of amusement of any kind and lived in utter disregard of the most elementary rules of hygiene ... His method was inefficient in the extreme , for an immense ground had to be covered to get anything at all unless blind chance intervened and , at first , I was almost a sorry witness of his doings , knowing that just a little theory and calculation would have saved him 90 percent of the labor . But he had a veritable contempt for book learning and mathematical knowledge , trusting himself entirely to his inventor 's instinct and practical American sense . Beliefs On experimental and theoretical physics Tesla disagreed with the theory of atoms being composed of smaller subatomic particles , stating there was no such thing as an electron creating an electric charge . He believed that if electrons existed at all , they were some fourth state of matter or `` sub-atom '' that could exist only in an experimental vacuum and that they had nothing to do with electricity . Tesla believed that atoms are immutable -- they could not change state or be split in any way . He was a believer in the 19th century concept of an all - pervasive `` ether '' that transmitted electrical energy . Tesla was generally antagonistic towards theories about the conversion of matter into energy . He was also critical of Einstein 's theory of relativity , saying : I hold that space can not be curved , for the simple reason that it can have no properties . It might as well be said that God has properties . He has not , but only attributes and these are of our own making . Of properties we can only speak when dealing with matter filling the space . To say that in the presence of large bodies space becomes curved is equivalent to stating that something can act upon nothing . I , for one , refuse to subscribe to such a view . Tesla claimed to have developed his own physical principle regarding matter and energy that he started working on in 1892 , and in 1937 , at age 81 , claimed in a letter to have completed a `` dynamic theory of gravity '' that `` ( would ) put an end to idle speculations and false conceptions , as that of curved space . '' He stated that the theory was `` worked out in all details '' and that he hoped to soon give it to the world . Further elucidation of his theory was never found in his writings . On Society Tesla circa 1885 Tesla is widely considered by his biographers to have been a humanist in philosophical outlook on top of his gifts as a technological scientist . This did not preclude Tesla , like many of his era , becoming a proponent of an imposed selective breeding version of eugenics . Tesla expressed the belief that human `` pity '' had come to interfere with the natural `` ruthless workings of nature . '' Though his argumentation did not depend on a concept of a `` master race '' or the inherent superiority of one person over another , he advocated for eugenics . In a 1937 interview he stated : ... man 's new sense of pity began to interfere with the ruthless workings of nature . The only method compatible with our notions of civilization and the race is to prevent the breeding of the unfit by sterilization and the deliberate guidance of the mating instinct ... The trend of opinion among eugenists is that we must make marriage more difficult . Certainly no one who is not a desirable parent should be permitted to produce progeny . A century from now it will no more occur to a normal person to mate with a person eugenically unfit than to marry a habitual criminal . In 1926 , Tesla commented on the ills of the social subservience of women and the struggle of women toward gender equality , and indicated that humanity 's future would be run by `` Queen Bees . '' He believed that women would become the dominant sex in the future . Tesla made predictions about the relevant issues of a post-World War I environment in a printed article , `` Science and Discovery are the great Forces which will lead to the Consummation of the War '' ( 20 December 1914 ) . Tesla believed that the League of Nations was not a remedy for the times and issues . On religion Tesla was raised an Orthodox Christian . Later in life he did not consider himself to be a `` believer in the orthodox sense , '' said he opposed religious fanaticism , and said `` Buddhism and Christianity are the greatest religions both in number of disciples and in importance '' . He also said `` To me , the universe is simply a great machine which never came into being and never will end '' and `` what we call ' soul ' or ' spirit , ' is nothing more than the sum of the functionings of the body . When this functioning ceases , the ' soul ' or the ' spirit ' ceases likewise '' . Literary Works Tesla wrote a number of books and articles for magazines and journals . Among his books are My Inventions : The Autobiography of Nikola Tesla , compiled and edited by Ben Johnston ; The Fantastic Inventions of Nikola Tesla , compiled and edited by David Hatcher Childress ; and The Tesla Papers . Many of Tesla 's writings are freely available online , including the article `` The Problem of Increasing Human Energy , '' published in The Century Magazine in 1900 , and the article `` Experiments With Alternate Currents Of High Potential And High Frequency , '' published in his book Inventions , Researches and Writings of Nikola Tesla . Legacy and honors See also : Nikola Tesla in popular culture Nikola Tesla Museum in Belgrade , Serbia Tesla 's legacy has endured in books , films , radio , TV , music , live theater , comics , and video games . The impact of the technologies invented or envisioned by Tesla is a recurring theme in several types of science fiction . Things named after Tesla Main article : List of things named after Nikola Tesla Awards The Nikola Tesla Award Enterprises and organizations Tesla , an American rock band formed in Sacramento , California , in late 1982 Tesla , an electrotechnical conglomerate in the former Czechoslovakia Tesla , Inc , an American electric car manufacturer Ericsson Nikola Tesla , Croatian affiliate of the Swedish telecommunications equipment manufacturer Ericsson The Tesla Society , founded in 1956 Udruženje za razvoj nauke Nikola Tesla , Novi Sad , Serbia Zavičajno udruženje Krajišnika Nikola Tesla , Plandište , Serbia Holidays and events Day of Science , Serbia , 10 July Day of Nikola Tesla , Association of Teachers in Vojvodina , 4 -- 10 July Day of Nikola Tesla , Niagara Falls , 10 July Nikola Tesla Day in Croatia , 10 July Nikola Tesla annual electric vehicle rally in Croatia Measures Tesla , an SI - derived unit of magnetic flux density ( or magnetic inductivity ) Places Belgrade Nikola Tesla Airport Nikola Tesla Museum Archive in Belgrade TPP Nikola Tesla , the largest power plant in Serbia 128 streets in Croatia had been named after Nikola Tesla as of November 2008 , making him the eighth most common street name origin in the country . Tesla , a 26 kilometer - wide crater on the far side of the moon 2244 Tesla , a minor planet Schools Tesla STEM High School created in 2012 in Redmond , Washington as a choice school with a focus on STEM subjects . The name was chosen by a student vote . Songs `` Tesla Girls '' , a song by British pop band Orchestral Manoeuvres in the Dark , released in 1984 Ships SS Nikola Tesla , a Liberty Ship laid down 31 August 1943 , launched 25 September 1943 , sold from government service in 1947 , and scrapped 1970 Plaques and memorials Nikola Tesla Corner in New York City Nikola Tesla statue in Niagara Falls , Ontario The Nikola Tesla Memorial Centre in Smiljan , Croatia , opened in 2006 . It features a statue of Tesla designed by sculptor Mile Blažević . A plaque depicting a relief of Nikola Tesla is present on the Old City Hall ( Zagreb ) in Zagreb , Croatia 's capital , commemorating his proposal to build an alternating current power station , which he made to the city council . The plaque quotes Tesla 's statement , given in the building on 24 May 1892 , which reads : `` As a son of this country , I consider it my duty to help the City of Zagreb in every way , either through counsel or through action '' ( Croatian : `` Smatram svojom dužnošću da kao rođeni sin svoje zemlje pomognem gradu Zagrebu u svakom pogledu savjetom i činom '' ) . On 7 July 2006 , on the corner of Masarykova and Preradovićeva streets in the Lower Town area in Zagreb , a monument of Tesla was unveiled . This monument was designed by Ivan Meštrović in 1952 and was transferred from the Zagreb - based Ruđer Bošković Institute where it had spent previous decades . A monument to Tesla was established at Niagara Falls , New York . This monument portraying Tesla reading a set of notes was sculpted by Frano Kršinić . It was presented to the United States by Yugoslavia in 1976 and is an identical copy of the monument standing in front of the University of Belgrade Faculty of Electrical Engineering . A monument of Tesla standing on a portion of an alternator was established at Queen Victoria Park in Niagara Falls , Ontario , Canada . The monument was officially unveiled on 9 July 2006 on the 150th anniversary of Tesla 's birth . The monument was sponsored by St. George Serbian Church , Niagara Falls , and designed by Les Drysdale of Hamilton , Ontario . Drysdale 's design was the winning design from an international competition . A monument of Tesla was unveiled in Baku in 2013 . Presidents Ilham Aliyev and Tomislav Nikolić attended a ceremony of unveiling In 2012 Jane Alcorn , president of the nonprofit group Tesla Science Center at Wardenclyffe , and Matthew Inman , creator of web cartoon The Oatmeal , raised a total of $2,220,511 -- $1,370,511 from a campaign and $850,000 from a New York State grant -- to buy the property where Wardenclyffe Tower once stood and eventually turn it into a museum . The group began negotiations to purchase the Long Island property from Agfa Corporation in October 2012 . The purchase was completed in May 2013 . The preservation effort and history of Wardenclyffe is the subject of a documentary by Tesla activist / filmmaker Joseph Sikorski called `` Tower to the People - Tesla 's Dream at Wardenclyffe Continues . '' A commemorative plaque honoring Nikola Tesla was installed on the façade of the New Yorker Hotel by the IEEE . An intersection named after Tesla , Nikola Tesla Corner , is at the intersection of Sixth Avenue and 40th Street in Manhattan , New York City . The placement of the sign was due to the efforts of the Croatian Club of New York in cooperation with New York City officials , and Dr. Ljubo Vujovic of the Tesla Memorial Society of New York . A bust and plaque honoring Tesla is outside the Serbian Orthodox Cathedral of Saint Sava ( formerly known as Trinity Chapel ) at 20 West 26th Street in New York City . A full - size , crowdfunded statue honoring Tesla with free Wi - Fi and a time capsule ( to be opened on the 100th anniversary of Tesla 's death , 7 January 2043 ) was unveiled on 7 December 2013 in Palo Alto , California ( 260 Sheridan Avenue ) . Nikola Tesla Boulevard , Hamilton , Ontario . See also Nikola Tesla in popular culture Charles Proteus Steinmetz -- a contemporaneous electrical pioneer in alternating current and high voltage research Tesla 's Egg of Columbus Teleforce , the alleged death ray invention sometimes associated with his name Electromagnetism portal Electronics portal Energy portal Engineering portal Physics portal Technology portal Notes Jump up ^ Jonnes 2004 , p. 355 . Jump up ^ `` Tesla '' . Random House Webster 's Unabridged Dictionary . Jump up ^ Burgan 2009 , p. 9 . Jump up ^ `` Electrical pioneer Tesla honoured '' . BBC News . 10 July 2006 . Retrieved 20 May 2013 . Jump up ^ `` No , Nikola Tesla 's Remains Are n't Sparking Devil Worship In Belgrade '' . Radio Free Europe / Radio Liberty . 9 June 2015 . Jump up ^ Laplante , Phillip A. ( 1999 ) . Comprehensive Dictionary of Electrical Engineering 1999 . Springer . p. 635 . ISBN 978 - 3 - 540 - 64835 - 2 . Jump up ^ `` Tesla Tower in Shoreham , Suffolk County ( Long Island ) , 1901 -- 17 ) meant to be the `` World Wireless '' Broadcasting system `` . Tesla Memorial Society of New York . Retrieved 3 June 2012 . Jump up ^ O'Shei , Tim ( 2008 ) . Marconi and Tesla : Pioneers of Radio Communication . MyReportLinks.com Books . p. 106 . ISBN 978 - 1 - 59845 - 076 - 7 . Jump up ^ `` Welcome to the Tesla Memorial Society of New York Website '' . Tesla Memorial Society of New York . Retrieved 3 June 2012 . Jump up ^ Van Riper 2011 , p. 150 ^ Jump up to : `` Pictures of Tesla 's home in Smiljan , Croatia and his father 's church after rebuilding '' . Tesla Memorial Society of NY . Retrieved 22 May 2013 . Jump up ^ Cheney , Uth & Glenn 1999 , p. 143 . Jump up ^ O'Neill 2007 , pp. 9 , 12 . Jump up ^ Carlson 2013 , p. 14 . Jump up ^ Dommermuth - Costa 1994 , p. 12 , `` Milutin , Nikola 's father , was a well - educated priest of the Serbian Orthodox Church . '' . Jump up ^ Cheney 2011 , p. 25 , `` The tiny house in which he was born stood next to the Serbian Orthodox Church presided over by his father , the Reverend Milutin Tesla , who sometimes wrote articles under the nom - de-plume ' Man of Justice ' '' . Jump up ^ Carlson 2013 , p. 14 , `` Following a reprimand at school for not keeping his brass buttons polished , he quit and instead chose to become a priest in the Serbian Orthodox Church '' . Jump up ^ Burgan 2009 , p. 17 , `` Nikola 's father , Milutin was a Serbian Orthodox priest and had been sent to Smiljan by his church . '' . Jump up ^ O'Neill 1944 , p. 10 . Jump up ^ Cheney 2001 . ^ Jump up to : Seifer 2001 , p. 7 . Jump up ^ O'Neill 1944 , p. 12 . Jump up ^ Carlson 2013 , p. 21 . ^ Jump up to : `` Nikola Tesla Timeline from Tesla Universe '' . Tesla Universe . Retrieved 16 January 2017 . ^ Jump up to : Tesla , Nikola ( 2011 ) . My inventions : the autobiography of Nikola Tesla . Eastford : Martino Fine Books . ISBN 978 - 1 - 61427 - 084 - 3 . Jump up ^ Tesla , Nikola ; Marinčić , Aleksandar ( 2008 ) . From Colorado Springs to Long Island : research notes . Belgrade : Nikola Tesla Museum . ISBN 978 - 86 - 81243 - 44 - 2 . Jump up ^ Tesla does not mention which professor this was by name , but some sources point conclude this was Prof Martin Sekulić . Jump up ^ Carlson 2013 , p. 32 . Jump up ^ `` Tesla Life and Legacy -- Tesla 's Early Years '' . PBS . Retrieved 8 July 2012 . Jump up ^ O'Neill 1944 , p. 33 . Jump up ^ Glenn , edited by Jim ( 1994 ) . The complete patents of Nikola Tesla . New York : Barnes & Noble Books . ISBN 1 - 56619 - 266 - 8 . CS1 maint : Extra text : authors list ( link ) ^ Jump up to : Seifer 2001 . ^ Jump up to : O'Neill 1944 , p. ? . ^ Jump up to : Seifer 2001 , p. 18 . Jump up ^ `` Timeline of Nikola Tesla '' . Tesla Memorial Society of NY . Archived from the original on 8 May 2012 . Retrieved 1 December 2012 . Jump up ^ Mrkich , D. ( 2003 ) . Nikola Tesla : The European Years ( 1st ed . ) . Ottawa : Commoner 's Publishing . ISBN 0 - 88970 - 113 - X . Jump up ^ `` NYHOTEL '' . Tesla Society of NY . Retrieved 17 August 2012 . Jump up ^ `` Nikola Tesla : The Genius Who Lit the World '' . Top Documentary Films . Jump up ^ Carlson 2013 , pp. 63 -- 64 . ^ Jump up to : Carlson 2013 , p. 70 . Jump up ^ Carlson 2013 , p. 69 . Jump up ^ O'Neill 1944 , pp. 57 -- 60 . ^ Jump up to : `` Edison & Tesla - The Edison Papers '' . edison.rutgers.edu . Jump up ^ Carey , Charles W. ( 1989 ) . American inventors , entrepreneurs & business visionaries . Infobase Publishing . p. 337 . ISBN 0 - 8160 - 4559 - 3 . Retrieved 27 November 2010 . ^ Jump up to : Carlson 2013 , pp. 71 -- 73 . ^ Jump up to : Radmilo Ivanković ' Dragan Petrović , review of the reprinted `` Nikola Tesla : Notebook from the Edison Machine Works 1884 -- 1885 '' ISBN 868124311X , teslauniverse.com Jump up ^ Carlson 2013 , pp. 72 -- 73 . Jump up ^ Seifer 1996 , pp. 25 , 34 . Jump up ^ Carlson 2013 , pp. 69 -- 73 . Jump up ^ Nikola Tesla , My Inventions : The Autobiography of Nikola Tesla , originally published : 1919 , page 19 Jump up ^ O'Neill 1944 , p. 64 . Jump up ^ Pickover 1999 , p. 14 Jump up ^ Tesla 's contemporaries remembered that on a previous occasion Machine Works manager Batchelor had been unwilling to give Tesla a $7 a week pay raise ( Seifer -- Wizard : The Life and Times of Nikola Tesla , page 38 ) Jump up ^ Jonnes 2004 , pp. 109 -- 10 . Jump up ^ Seifer 1996 , p. 38 . Jump up ^ Carlson 2013 , p. 73 . ^ Jump up to : Jonnes 2004 , pp. 110 -- 111 . Jump up ^ Seifer 1998 , p. 41 . Jump up ^ Jonnes 2004 , p. 111 . ^ Jump up to : Carlson 2013 , p. 75 . Jump up ^ Account comes from a letter Tesla sent in 1938 on the occasion of receiving an award from the National Institute of Immigrant Welfare -- John Ratzlaff , Tesla Said , Tesla Book Co. , p. 280 ^ Jump up to : Carlson 2013 , p. 80 . Jump up ^ Carlson 2013 , pp. 76 -- 78 . Jump up ^ Networks of Power : Electrification in Western Society , 1880 -- 1930 . JHU Press . p. 117 . Jump up ^ Thomas Parke Hughes , Networks of Power : Electrification in Western Society , 1880 -- 1930 , pp. 115 -- 118 Jump up ^ Robert Bud , Instruments of Science : An Historical Encyclopedia . Books.google.com . p. 204 . Retrieved 18 March 2013 . ^ Jump up to : Jonnes 2004 , p. 161 . Jump up ^ Henry G. Prout , A Life of George Westinghouse , p. 129 ^ Jump up to : Carlson 2013 , p. 105 - 106 . Jump up ^ Fritz E. Froehlich , Allen Kent . The Froehlich / Kent Encyclopedia of Telecommunications : Volume 17 , . Books.google.com . p. 36 . Retrieved 10 September 2012 . Jump up ^ Jonnes 2004 , p. 160 -- 162 . Jump up ^ Carlson 2013 , pp. 108 -- 111 . ^ Jump up to : Federal Reserve Bank of Minneapolis Community Development Project . `` Consumer Price Index ( estimate ) 1800 -- '' . Federal Reserve Bank of Minneapolis . Retrieved January 2 , 2018 . Jump up ^ Klooster 2009 , p. 305 . Jump up ^ Harris , William ( 14 July 2008 ) . `` William Harris , How did Nikola Tesla change the way we use energy ? '' . Science.howstuffworks.com . p. 3 . Retrieved 10 September 2012 . Jump up ^ Munson , Richard ( 2005 ) . From Edison to Enron : The Business of Power and What It Means for the Future of Electricity . Westport , CT : Praeger . pp. 24 -- 42 . ISBN 978 - 0 - 275 - 98740 - 4 . Jump up ^ Quentin R. Skrabec , George Westinghouse : Gentle Genius , Algora Publishing -- 2007 , pages 119 -- 121 Jump up ^ Robert L. Bradley , Jr. , Edison to Enron : Energy Markets and Political Strategies , John Wiley & Sons -- 2011 , pages 55 -- 58 Jump up ^ Quentin R. Skrabec , George Westinghouse : Gentle Genius , Algora Publishing -- 2007 , pages 118 -- 120 Jump up ^ Seifer 1998 , p. 47 . ^ Jump up to : Skrabec , Quentin R. ( 2007 ) . George Westinghouse : gentle genius . New York : Algora Pub . ISBN 0 - 87586 - 506 - 2 . ^ Jump up to : Carlson 2013 , p. 130 . Jump up ^ Carlson 2013 , p. 131 . Jump up ^ Jonnes 2004 , p. 29 . Jump up ^ Thomas Parke Hughes , Networks of Power : Electrification in Western Society , 1880 -- 1930 ( 1983 ) , p. 119 ^ Jump up to : Jonnes 2004 , p. 228 . Jump up ^ Carlson 2013 , pp. 130 -- 131 . Jump up ^ Cheney 2001 , pp. 48 -- 49 . Jump up ^ Christopher Cooper , The Truth About Tesla : The Myth of the Lone Genius in the History of Innovation , Race Point Publishing -- 2015 , page 109 Jump up ^ Electricity , a Popular Electrical Journal , Volume 13 , No. 4 , August 4 , 1897 , Electricity Newspaper Company − 1898 , page 50 Google Books Jump up ^ `` Nikola Tesla : Scientific Savant from the Tesla Universe Article Collection '' . 23 December 2011 . Jump up ^ Carlson , W. Bernard . Tesla : Inventor of the Electrical Age , Princeton University Press -- 2013 , page 218 Jump up ^ `` Laboratories in New York ( 1889 - 1902 ) '' . Open Tesla Research . Jump up ^ Carlson 2013 , p. 120 . Jump up ^ Carlson 2013 , p. 122 . Jump up ^ `` Naturalization Record of Nikola Tesla , 30 July 1891 '' , Naturalization Index , NYC Courts , referenced in Carlson ( 2013 ) , Tesla : Inventor of the Electrical Age , p. H - 41 Jump up ^ Carlson 2013 , p. 138 . Jump up ^ Uth , Robert ( 12 December 2000 ) . `` Tesla coil '' . Tesla : Master of Lightning . PBS.org . Retrieved 20 May 2008 . Jump up ^ Tesla , Nikola ( May 20 , 1891 ) Experiments with Alternate Currents of Very High Frequency and Their Application to Methods of Artificial Illumination , lecture before the American Inst. of Electrical Engineers , Columbia College , New York . Reprinted as a book of the same name by . Wildside Press . 2006 . ISBN 0 - 8095 - 0162 - 7 . Jump up ^ Carlson 2013 , p. 132 . Jump up ^ Christopher Cooper , The Truth About Tesla : The Myth of the Lone Genius in the History of Innovation , Race Point Publishing -- 2015 , pages 143 -- 144 Jump up ^ Carlson 2013 , pp. 178 -- 179 . Jump up ^ Orton , John ( 2004 ) . The Story of Semiconductors . Oxford , England : Oxford University Press . p. 53 . -- via Questia ( subscription required ) Jump up ^ Kenneth L. Corum & James F. Corum . `` Tesla 's Connection to Columbia University '' ( PDF ) . Tesla Memorial Society of NY . Retrieved 5 July 2012 . Jump up ^ Carlson 2013 , pp. 181 -- 185 . Jump up ^ Reciprocating Engine , U.S. Patent 514,169 , February 6 , 1894 . Jump up ^ Carlson 2013 , p. 167 . Jump up ^ Richard Moran , Executioner 's Current : Thomas Edison , George Westinghouse , and the Invention of the Electric Chair , Knopf Doubleday Publishing Group -- 2007 , page 222 Jump up ^ America at the Fair : Chicago 's 1893 World 's Columbian Exposition ( Google eBook ) Chaim M. Rosenberg Arcadia Publishing , 20 February 2008 Jump up ^ David J. Bertuca ; Donald K. Hartman & Susan M. Neumeister . The World 's Columbian Exposition : A Centennial Bibliographic Guide . Books.google.com . pp. xxi . Retrieved 10 September 2012 . Jump up ^ Cheney 2001 , p. 76 . Jump up ^ Cheney 2001 , p. 79 . Jump up ^ Barrett , John Patrick ( 1894 ) . Electricity at the Columbian Exposition ; Including an Account of the Exhibits in the Electricity Building , the Power Plant in Machinery Hall . pp. 268 -- 269 . Retrieved 29 November 2010 . Jump up ^ `` Tesla 's Egg of Columbus How Tesla Performed the Feat of Columbus Without Cracking the Egg '' . Tesla Universe . Retrieved 5 July 2012 . Jump up ^ Carlson 2013 , pp. 167 -- 73 . Jump up ^ Carlson 2013 , pp. 205 -- 206 . Jump up ^ Tesla , Nikola ( 2007 ) . X-ray vision : Nikola Tesla on Roentgen rays ( 1st ed . ) . Radford , VA : Wiilder Publications . ISBN 978 - 1 - 934451 - 92 - 2 . Jump up ^ Cheney 2001 , p. 134 . Jump up ^ W. Bernard Carlson , Tesla : Inventor of the Electrical Age , Princeton University Press -- 2013 , page 231 Jump up ^ South , Nanette ( 23 July 2011 ) . `` Nikola Tesla -- Radiography Experiments -- Clips from `` The Constitution , Atlanta , Georgia , pg. 9 . Friday , 13 March 1896 '' `` . Anengineersaspect.blogspot.com . Retrieved 10 September 2012 . Jump up ^ N. Tesla , `` High Frequency Oscillators for Electro - Therapeutic and Other Purposes '' , in Proceedings of the American Electro - Therapeutic Association , American Electro - Therapeutic Association . p. 25 . Jump up ^ Griffiths , David J. Introduction to Electrodynamics , ISBN 0 - 13 - 805326 - X and Jackson , John D. Classical Electrodynamics , ISBN 0 - 471 - 30932 - X . Jump up ^ Anonymous ( 1899 ) . Transactions of the American Electro - therapeutic Association . p. 16 . Retrieved 25 November 2010 . ^ Jump up to : Anderson , Leland , ( 1998 ) . Nikola Tesla 's teleforce & telegeodynamics proposals . Breckenridge , Colo. : 21st Century Books . ISBN 0 - 9636012 - 8 - 8 . ^ Jump up to : Jonnes 2004 . Jump up ^ Eger , Christopher ( n.d. ) . `` The Robot Boat of Nikola Tesla '' . Self - published . Archived from the original on June 22 , 2015 . Retrieved June 22 , 2015 . Jump up ^ Singer , P.W. ( 2009 ) . Wired for War : The Robotics Revolution and Conflict in the Twenty - first Century . Penguin . ISBN 978 - 1 - 440 - 68597 - 2 . Retrieved 10 September 2012 -- via Google Books . Jump up ^ Fitzsimons , Bernard , ed . `` Fritz - X '' , in The Illustrated Encyclopedia of 20th Century Weapons and Warfare ( London : Phoebus , 1978 ) , Volume 10 , p. 1037 . Jump up ^ Carlson 2013 , p. 127 . ^ Jump up to : `` Nikola Tesla : The Guy Who DIDN 'T `` Invent Radio '' `` . earlyradiohistory.us . Jump up ^ Tesla 's own experiments led him to erroneously believe Hertz had miss identified a form of conduction instead of a new form of electromagnetic radiation , an incorrect assumption that Tesla would hold on to for a couple of decades. ( Carlson , pp - 127 - 128 ) ( White , Nikola Tesla : The Guy Who DIDN 'T `` Invent Radio '' ) Jump up ^ Brian Regal , Radio : The Life Story of a Technology , page 22 Jump up ^ Carlson 2013 , p. 209 . Jump up ^ My Inventions : The Autobiography of Nikola Tesla , Hart Brothers , 1982 , Ch. 5 , ISBN 0 - 910077 - 00 - 2 Jump up ^ `` Tesla on Electricity Without Wires , '' Electrical Engineer -- N.Y. , Jan 8 , 1896 , p 52 . ( Refers to letter by Tesla in the NEW YORK HERALD , 12 / 31 / 1895 . ) Jump up ^ MINING & SCIENTIFIC PRESS , `` Electrical Progress '' Nikola Tesla Is Credited With Statement `` , April 11 , 1896 Jump up ^ Seifer 1996 , p. 107 . Jump up ^ Carlson 2013 , p. 45 . Jump up ^ Uth 1999 , p. 92 . Jump up ^ `` PBS : Tesla - Master of Lightning : Colorado Springs '' . www.pbs.org . Jump up ^ Carlson 2013 , p. 264 . ^ Jump up to : Nikola Tesla On His Work With Alternating Currents and Their Application to Wireless Telegraphy , Telephony , and Transmission of Power , Leland I. Anderson , 21st Century Books , 2002 , p. 109 , ISBN 1 - 893817 - 01 - 6 . Jump up ^ Carlson 2013 , pp. 255 -- 259 . Jump up ^ Cheney 2001 , p. 173 . Jump up ^ Carlson 2013 , pp. 290 -- 301 . Jump up ^ Gillispie , Charles Coulston , `` Dictionary of Scientific Biography ; '' Tesla , Nikola . Charles Scribner 's Sons , New York . Jump up ^ SECOR , H. WINFIELD ( August 1917 ) . `` TESLA 'S VIEWS ON ELECTRICITY AND THE WAR '' . The Electrical Experimenter . Retrieved 9 September 2012 . Jump up ^ Carlson 2013 , p. 301 . Jump up ^ Cooper 2015 , p. 165 . Jump up ^ Daniel Blair Stewart ( 1999 ) . Tesla : The Modern Sorcerer , Frog Book . p. 372 ^ Jump up to : Carlson 2013 , p. 315 . ^ Jump up to : Seifer 1998 , pp. 220 -- 223 . ^ Jump up to : Seifer , Marc . `` Nikola Tesla : The Lost Wizard '' . ExtraOrdinary Technology ( Volume 4 , Issue 1 ; Jan / Feb / March 2006 ) . Retrieved 14 July 2012 . Jump up ^ `` Aleksandar Marinčić , Ph. D , Research of Nikola Tesla in Long Island Laboratory , teslamemorialsociety.org '' . Jump up ^ `` Tesla Wardenclyffe Project Update -- An Introduction to the Issues '' . www.teslascience.org . ^ Jump up to : Broad , William J ( 4 May 2009 ) . `` A Battle to Preserve a Visionary 's Bold Failure '' . The New York Times . Retrieved 20 May 2013 . Jump up ^ `` ExtraOrdinary Technology - Vol 4 No 1 - Nikola Tesla : The Lost Wizard '' . teslatech.info . Jump up ^ Malanowski , Gregory , The Race for Wireless , AuthorHouse , page 35 Jump up ^ David Hatcher Childress , The Fantastic Inventions of Nikola Tesla , page 255 Jump up ^ Tesla , Nikola ( 8 December 2017 ) . `` Nikola Tesla on His Work with Alternating Currents and Their Application to Wireless Telegraphy , Telephony , and Transmission of Power : An Extended Interview '' . 21st Century Books -- via Google Books . Jump up ^ Carlson 2013 , p. 373 -- 375 . Jump up ^ Carlson 2013 , p. 371 . Jump up ^ Seifer 2001 , p. 398 . Jump up ^ Carlson 2013 , p. 373 . Jump up ^ `` ( Projekat Rastko ) John J. O'Neill : Prodigal Genius - The Life of Nikola Tesla ( 1944 ) '' . www.rastko.rs . Jump up ^ Cheney , Uth & Glenn 1999 , p. 115 . ^ Jump up to : Carlson 2013 , p. 377 . Jump up ^ Seifer 2001 , p. 373 . Jump up ^ Howard B. Rockman , Intellectual Property Law for Engineers and Scientists , John Wiley & Sons -- 2004 , page 198 Jump up ^ `` Marconi Wireless Tel. Co. v. United States , 320 U.S. 1 ( 1943 ) '' . Jump up ^ Carlson 2013 , p. 377 - 378 . Jump up ^ Jean - Michel Redouté , Michiel Steyaert , EMC of Analog Integrated Circuits . Books.google.com . p. 3 . Retrieved 18 March 2013 . Jump up ^ Robert Sobot , Wireless Communication Electronics : Introduction to RF Circuits and Design Techniques . Books.google.com. 18 February 2012 . p. 4 . Retrieved 18 March 2013 . ^ Jump up to : Cheney 2001 , p. 245 . Jump up ^ `` The Nobel Prize in Physics 1915 '' . nobelprize.org . Retrieved 29 July 2012 . Jump up ^ Cheney , Uth & Glenn 1999 , p. 120 Jump up ^ Seifer 2001 , pp. 378 -- 380 . ^ Jump up to : Goldman , Phyllis ( 1997 ) . Monkeyshines on Great Inventors . Greensboro , NC : EBSCO Publishing , Inc. p. 15 . ISBN 9781888325041 . Jump up ^ `` IEEE Edison Medal Recipient List '' ( PDF ) . Institute of Electrical and Electronics Engineers ( IEEE ) . Retrieved 2015 - 01 - 24 . Jump up ^ `` Culture '' . www.eserbia.org . Retrieved 16 January 2017 . ^ Jump up to : Cheney , Margaret . Tesla : Man Out of Time . Simon and Schuster . ISBN 9781451674866 . Jump up ^ Anand Kumar Sethi , The European Edisons : Volta , Tesla , and Tigerstedt , Springer - 2016 , pages 53 - 54 Jump up ^ Carlson 2013 , p. 353 . ^ Jump up to : Gilliams , E. Leslie . `` Tesla 's Plan of Electrically Treating Schoolchildren '' . teslacollection.com/ . Popular Electricity Magazine ( 1912 ) . Retrieved 19 August 2014 . Jump up ^ Margaret Cheney , Robert Uth , Jim Glenn , Tesla , Master of Lightning , pp. 128 -- 129 Jump up ^ Lewis Coe ( 2006 ) . Wireless Radio : A History . McFarland . p. 154 . Jump up ^ Cheney 2001 , p. 266 . Jump up ^ Tesla , Nikola . `` TESLA PATENT 1,655,114 APPARATUS FOR AERIAL TRANSPORTATION '' . U.S. Patent Office . Retrieved 20 July 2012 . Jump up ^ Cheney 2001 , p. 251 . Jump up ^ `` A.J.S. RAYL Air & Space magazine , September 2006 , reprint at History of Flight '' . airspacemag.com . Retrieved 10 September 2012 . Jump up ^ Cheney , Uth & Glenn 1999 , p. 125 . Jump up ^ Carlson 2013 , p. 467 - 468 . ^ Jump up to : O'Neill ( 1944 ) , p. 359 Jump up ^ `` About Nikola Tesla '' . Tesla Memorial Society of NY . Archived from the original on 25 May 2012 . Retrieved 5 July 2012 . Jump up ^ `` Tesla Life and Legacy -- Poet and Visionary '' . PBS . Retrieved 5 July 2012 . Jump up ^ `` About Nikola Tesla '' . Tesla Society of USA and Canada . Archived from the original on 25 May 2012 . Retrieved 5 July 2012 . Jump up ^ `` 1917 '' . Jump up ^ Jonnes 2004 , p. 365 . Jump up ^ Cheney , Uth & Glenn 1999 , p. 149 ^ Jump up to : Seifer 2001 , p. 435 Jump up ^ Carlson 2013 , p. 379 . Jump up ^ `` Time front cover , Vol XVIII , No. 3 '' . 20 July 1931 . Retrieved 10 September 2012 . Jump up ^ `` Nikola Tesla 20 July 1931 '' . Time . Retrieved 2 July 2012 . Jump up ^ Cheney 2001 , p. 151 . ^ Jump up to : Carlson 2013 , pp. 380 -- 382 . Jump up ^ Tesla Predicts New Source of Power in Year , New York Herald Tribune , July 9th , 1933 Jump up ^ `` Tesla 's Ray '' . Time . 23 July 1934 . ^ Jump up to : Seifer , Marc . `` Tesla 's `` Death Ray '' Machine `` . bibliotecapleyades.net . Retrieved 4 July 2012 . Jump up ^ Cheney , Margaret & Uth , Robert ( 2001 ) . Tesla : Master of Lightning . Barnes & Noble Books . p. 158 Jump up ^ Carlson 2013 , p. 382 . Jump up ^ Seifer 1998 , p. 454 . Jump up ^ `` Aerial Defense ' Death - Beam ' Offered to U.S. By Tesla '' 12 July 1940 Jump up ^ Seifer , Marc J. `` Tesla 's `` death ray '' machine `` . Retrieved 5 September 2012 . ^ Jump up to : Earl Sparling , NIKOLA TESLA , AT 79 , USES EARTH TO TRANSMIT SIGNALS : EXPECTS TO HAVE $100,000,000 WITHIN TWO YEARS , New York World - Telegram , 11 July 1935 Jump up ^ Carlson 2013 , p. 380 . Jump up ^ Carlson 2013 , p. 389 . Jump up ^ `` The Missing Papers '' . PBS . Retrieved 5 July 2012 . Jump up ^ Childress 1993 , p. 249 Jump up ^ `` Urn with Tesla 's ashes '' . Tesla Museum . Archived from the original on 25 August 2012 . Retrieved 16 September 2012 . ^ Jump up to : Šarboh , Snežana ( 18 -- 20 October 2006 ) . `` Nikola Tesla 's Patents '' ( PDF ) . Sixth International Symposium Nikola Tesla . Belgrade , Serbia . p. 6 . Archived from the original ( PDF ) on 30 October 2007 . Retrieved 8 October 2010 . Jump up ^ Cheney 2001 , p. 62 . Jump up ^ O'Neill 1944 , pp. 283 , 286 . ^ Jump up to : Seifer 2001 , p. 413 . ^ Jump up to : Brisbane , Arthur ( 22 July 1894 ) . `` OUR FOREMOST ELECTRICIAN '' . The World . Jump up ^ GITELMAN , LISA . `` Reconciling the Visionary with the Inventor Wizard : The Life and Times of Nikola Tesla '' . technology review ( MIT ) . Retrieved 3 June 2012 . Jump up ^ O'Neill 1944 , p. 292 . Jump up ^ O'Neill 1944 , p. 289 . ^ Jump up to : Cheney 2001 , p. 33 . Jump up ^ O'Neill 1944 , p. 282 . Jump up ^ O'Neill 1944 , p. 46 . Jump up ^ O'Neill 1944 , pp. 43 , 301 . Jump up ^ O'Neill 1944 , p. 208 . Jump up ^ `` Nikola Tesla - '' Mr Tesla Explains Why He Will Never Marry `` '' . An Engineer 's Aspect . Retrieved 22 May 2016 . Jump up ^ Malanowski , Gregory ( 2011 ) . The Race for Wireless : How Radio was Invented ( or Discovered ? ) . AuthorHouse . p. 36 . ISBN 978 - 1 - 4634 - 3750 - 3 . Tesla was definitely asocial , a loner . Although in his younger years he was immensely popular and admired by many rich , socialite women , there were no women in his life . Jump up ^ Cheney , Uth & Glenn 1999 , Preface . Jump up ^ McNichol , Tom ( 2011 ) . AC / DC : The Savage Tale of the First Standards War . John Wiley & Sons . pp. 163 -- 64 . ISBN 978 - 1 - 118 - 04702 - 6 . Tesla 's peculiar nature made him a solitary man , a loner in a field that was becoming so complex that it demanded collaboration . Jump up ^ Cheney 2001 , p. 80 . ^ Jump up to : `` Famous Friends '' . Tesla Memorial Society of NY . Retrieved 4 July 2012 . Jump up ^ `` Stanford White '' . Tesla Memorial Society of NY . Retrieved 4 July 2012 . Jump up ^ Swezey , Kenneth M. , Papers 1891 -- 1982 , 47 , National Museum of American History , archived from the original on 5 May 2012 , retrieved 4 July 2012 Jump up ^ `` Tribute to Nikola Tesla '' . Tesla Memorial Society of NY . Retrieved 4 July 2012 . Jump up ^ `` Nikola Tesla at Wardenclyffe '' . Tesla Memorial Society of NY . Retrieved 4 July 2012 . Jump up ^ `` Nikola Tesla : The patron saint of geeks ? '' . News Magazine . BBC . 10 September 2012 . Retrieved 10 September 2012 . Jump up ^ Cheney , Margaret & Uth , Robert ( 2001 ) . Tesla : Master of Lightning . Barnes & Noble Books . p. 137 . Jump up ^ Johnson , Neil M. George Sylvester Viereck : Poet and Propagandist . Neil M. Johnson . Jump up ^ Cheney 2001 , p. 110 . Jump up ^ Biographiq ( 2008 ) . Thomas Edison : Life of an Electrifying Man . Filiquarian Publishing , LLC . p. 23 . ISBN 978 - 1 - 59986 - 216 - 3 . Jump up ^ O'Neill 1944 , p. 249 . Jump up ^ `` The Prophet of Science Looks Into The Future , '' Popular Science November 1928 , p. 171 . Books.google.com . Retrieved 18 March 2013 . Jump up ^ Seifer 2001 , p. 1745 Jump up ^ O'Neill 1944 , p. 247 . Jump up ^ New York Herald Tribune , 11 September 1932 Jump up ^ Prepared Statement by Nikola Tesla downloadable from http://www.tesla.hu Jump up ^ Cheney 2001 , p. 309 . Jump up ^ Jonnes 2004 , p. 154 . Jump up ^ Belohlavek , Peter ; Wagner , John W ( 2008 ) . Innovation : The Lessons of Nikola Tesla . Blue Eagle . p. 43 . ISBN 978 - 987 - 651 - 009 - 7 . This was Tesla : a scientist , philosopher , humanist , and ethical man of the world in the truest sense . Jump up ^ Seifer , Marc J ( 1996 ) . Wizard : the life and times of Nikola Tesla : biography of a genius . Citadel Press . p. 506 . ISBN 978 - 0 - 8065 - 1960 - 9 . Frank Jenkins , `` Nikola Tesla : The Man , Engineer , Inventor , Humanist and Innovator , '' in Nikola Tesla : Life and Work of a Genius ( Belgrade : Yugoslav Society for the Promotion of Scientific Knowledge , 1976 ) , pp. 10 -- 21 . Jump up ^ `` A Machine to End War '' . Public Broadcasting Service . February 1937 . Retrieved 23 November 2010 . Jump up ^ Kennedy , John B. , `` When woman is boss , An interview with Nikola Tesla . '' Colliers , 30 January 1926 . Jump up ^ Tesla , Nikola . `` Science and Discovery are the great Forces which will lead to the Consummation of the War '' . Rastko . Retrieved 17 July 2012 . ^ Jump up to : Tesla , Nikola ( February 1937 ) . George Sylvester Viereck , ed . `` A Machine to End War '' . PBS.org . Retrieved 27 July 2012 . Jump up ^ `` Nikola Tesla Bibliography '' . 21st Century Books . Retrieved 21 April 2011 . Jump up ^ `` Selected Tesla writings '' . Nikola Tesla Information Resource . Jump up ^ `` THE PROBLEM OF INCREASING HUMAN ENERGY '' . Twenty - First Century Books . Retrieved 21 April 2011 . Jump up ^ Tesla , Nikola . `` The Project Gutenberg eBook , Experiments with Alternate Currents of High Potential and High Frequency , by Nikola Tesla '' . Project Gutenberg . Retrieved 21 April 2011 . Jump up ^ Tesla , Nikola . `` EXPERIMENTS WITH ALTERNATE CURRENTS OF HIGH POTENTIAL AND HIGH FREQUENCY '' . Twenty - First Century Books . Retrieved 21 April 2011 . Jump up ^ Vujovic , Dr. Ljubo . `` Tesla Biography NIKOLA TESLA THE GENIUS WHO LIT THE WORLD '' . Tesla Memorial Society of New York . Retrieved 30 April 2012 . Jump up ^ `` Why the Name `` Tesla ? '' `` . Tesla Motors . Archived from the original on 16 October 2007 . Retrieved 10 June 2008 . Jump up ^ Margerison , Charles ( 2011 ) . Amazing Scientists : Inspirational Stories . Amazing People Club . ISBN 978 - 1 - 921752 - 40 - 7 . Retrieved 28 April 2015 . Jump up ^ Seifer 2001 , p. 464 Jump up ^ `` nikolatesla.io.ua '' . nikolatesla.io.ua . Retrieved 15 January 2017 . Jump up ^ `` Zavičajno udruženje Krajišnika Nikola Tesla -- Plandište : : Naslovna strana '' . www.zuknikolatesla.org . Retrieved 15 January 2017 . Jump up ^ `` Nacionalni Dan nauke : Program obeležavanja rođendana NIKOLE TESLE ! '' . Srbija danas. 7 September 2015 . Jump up ^ `` Dan Nikole Tesle '' ( in Serbian ) . Vojvodina Online . Archived from the original on March 15 , 2015 . Jump up ^ Radulovic , Bojan . `` Srpska škola '' . www.srpskaskola.ca . Retrieved 15 January 2017 . Jump up ^ `` National Day of Nikola Tesla -- Day of Science , Technology and Innovation , July 10 '' . DZIV . State Intellectual Property Office of the Republic of Croatia . Archived from the original on 14 July 2015 . Retrieved 13 July 2015 . Jump up ^ `` Nikola Tesla EV Rally -- Croatia 2015 -- Electric Rally -- Mixture of Excellence and Technology '' . www.nikolateslaevrally.com.hr . Kilovat Media . Retrieved 28 April 2015 . Jump up ^ `` Belgrade Nikola Tesla Airport '' . airport-desk.com . Retrieved 29 November 2010 . Jump up ^ `` Memory of the World United Nations Educational , Scientific and Cultural Organization '' . UNESCO . Retrieved 10 September 2012 . Jump up ^ `` Tesla Memorial Society of New York Homepage '' . Teslasociety.com . Retrieved 2016 - 11 - 02 . Jump up ^ Letica , Slaven ( 29 November 2008 ) . Bach , Nenad , ed . `` If Streets Could Talk . Kad bi ulice imale dar govora '' . Croatian World Network . ISSN 1847 - 3911 . Retrieved 31 December 2014 . ^ Jump up to : Schmadel , Lutz D. ( 2003 ) . Dictionary of minor planet names . Springer . p. 183 . ISBN 3 - 540 - 00238 - 3 . Retrieved 28 November 2010 . Jump up ^ `` STEM High School formally named after Nikola Tesla Redmond Reporter '' . Redmond Reporter. 21 March 2014 . Retrieved 6 January 2017 . Jump up ^ `` Nikola Tesla Memorial Centre '' . MCNikolaTesla.hr . Archived from the original on 10 March 2010 . Retrieved 27 May 2011 . Jump up ^ Szabo , Stjepan ( April 2006 ) . `` Nikola Tesla u Zagrebu '' . ABC tehnike ( in Croatian ) . Zagreb : Hrvatska zajednica tehničke kulture . Jump up ^ Milčec , Zvonimir ( 1991 ) . Nečastivi na kotačima : Civilizacijske novosti iz starog Zagreba ( in Croatian ) . Zagreb : Bookovac . p. 25 . OCLC 439099360 . Jump up ^ `` Weekly Bulletin '' ( PDF ) . Embassy of the Republic of Croatia . Archived from the original ( PDF ) on 2 August 2007 . Retrieved 3 July 2012 . Jump up ^ `` Niagara Falls and Nikola Tesla '' . www.teslasociety.com . Retrieved 16 January 2017 . Jump up ^ `` Tmsusa '' . Tesla Memorial Society of NY . Retrieved 3 July 2012 . Jump up ^ `` Niagara Falls '' . Tesla Memorial Society of NY . Archived from the original on 12 May 2013 . Retrieved 3 July 2012 . Jump up ^ Roberts , Andrew ; Kennedy , Marc ; Nequest , Alex . `` Tesla Honored With Niagara Falls Monument '' ( PDF ) . IEEE Canada . Retrieved 4 July 2012 . Jump up ^ `` Official web - site of President of Azerbaijan Republic - NEWS '' Events Ilham Aliyev and President of the Republic of Serbia Tomislav Nikolic attended a ceremony to unveil a monument to outstanding Serbian scientist Nikola Tesla `` . en.president.az . Jump up ^ Frum , Larry ( 21 August 2012 ) . `` Backers raise cash for Tesla museum honoring ' cult hero ' '' . CNN . Retrieved 27 August 2012 . Jump up ^ `` Let 's Build a Goddamn Tesla Museum '' . indiegogo . Retrieved 5 October 2012 . Jump up ^ Broad , William ( 5 October 2012 ) . `` Group Buying Long Island Estate for Tesla Memorial '' . The New York Times . Retrieved 12 May 2013 . Jump up ^ Rodriguez , Salvador ( 9 May 2013 ) . `` Web campaign to build a Tesla museum succeeds in purchasing lab '' . Los Angeles Times . Retrieved 12 May 2013 . Jump up ^ Amy Langfield ( 2014 - 10 - 18 ) . `` Tesla : An underdog inventor finally gets his due with museum '' . Cnbc.com . Retrieved 2016 - 11 - 02 . Jump up ^ `` A hotel 's unique direct current ( dc ) system '' . IEEE . Archived from the original on 10 February 2012 . Retrieved 16 July 2012 . Jump up ^ Proposal for proclamation of `` Nikola Tesla Day '' on July 10 by United Nations . Tesla Memorial Society of New York . Retrieved 21 September 2014 . Jump up ^ `` Edith Wharton was unhappy here '' . Lost City . Retrieved 10 July 2014 . Jump up ^ `` Here 's a first look at the Tesla statue in Palo Alto '' . VentureBeat . Jump up ^ Craggs , Samantha ( 10 July 2016 ) . `` Part of Burlington Street is now Tesla Boulevard -- but why Hamilton ? '' . www.cbc.ca . Retrieved 13 July 2016 . References External video <Td_colspan="2"> Booknotes interview with Jill Jonnes on Empires of Light , October 26 , 2003 , C - SPAN Burgan , Michael ( 2009 ) . Nikola Tesla : Inventor , Electrical Engineer . Mankato , Minnesota : Capstone . ISBN 978 - 0 - 7565 - 4086 - 9 . Carlson , W. Bernard ( 2013 ) . Tesla : Inventor of the Electrical Age . Princeton University Press . ISBN 1 - 4008 - 4655 - 2 . Cheney , Margaret ( 2011 ) . Tesla : Man Out of Time . Simon & Schuster . ISBN 978 - 1 - 4516 - 7486 - 6 . Cheney , Margaret ( 2001 ) ( 1981 ) . Tesla : Man Out of Time . Simon & Schuster . ISBN 978 - 0 - 7432 - 1536 - 7 . Cheney , Margaret ; Uth , Robert ; Glenn , Jim ( 1999 ) . Tesla , Master of Lightning . Barnes & Noble Books . ISBN 978 - 0 - 7607 - 1005 - 0 . Dommermuth - Costa , Carol ( 1994 ) . Nikola Tesla : A Spark of Genius . Twenty - First Century Books . ISBN 978 - 0 - 8225 - 4920 - 8 . Jonnes , Jill ( 2004 ) . Empires of Light : Edison , Tesla , Westinghouse , and the Race to Electrify the World . Random House Trade Paperbacks . ISBN 978 - 0 - 375 - 75884 - 3 . Klooster , John W. ( 2009 ) . Icons of Invention : The Makers of the Modern World from Gutenberg to Gates . ABC - CLIO . ISBN 978 - 0 - 313 - 34743 - 6 . O'Neill , John J. ( 1944 ) . Prodigal Genius : The Life of Nikola Tesla . Ives Washburn . ISBN 0 - 914732 - 33 - 1 . ( reprinted 2007 by Book Tree , ISBN 978 - 1 - 60206 - 743 - 1 ) Pickover , Clifford A. ( 1999 ) . Strange Brains and Genius : The Secret Lives Of Eccentric Scientists And Madmen . HarperCollins . Seifer , Marc J. ( 2001 ) . Wizard : the life and times of Nikola Tesla : biography of a genius . Citadel . ISBN 978 - 0 - 8065 - 1960 - 9 . Seifer , Marc J. ( 1998 ) . Wizard : The Life And Times Of Nikola Tesla . Citadel . ISBN 978 - 0 - 8065 - 3556 - 2 . Van Riper , A. Bowdoin ( 2011 ) . A Biographical Encyclopedia of Scientists and Inventors in American Film and TV since 1930 . Scarecrow Press . ISBN 978 - 0 - 8108 - 8128 - 0 . Further reading Library resources about Nikola Tesla Resources in your library Resources in other libraries By Nikola Tesla Resources in your library Resources in other libraries Books Tesla , Nikola , My Inventions , Parts I through V published in the Electrical Experimenter monthly magazine from February through June 1919 . Part VI published October 1919 . Reprint edition with introductory notes by Ben Johnson , New York : Barnes and Noble , 1982 ; also online at Lucid Cafe , et cetera as My Inventions : The Autobiography of Nikola Tesla , 1919 . ISBN 978 - 0 - 910077 - 00 - 2 Glenn , Jim ( 1994 ) . The Complete Patents of Nikola Tesla . ISBN 978 - 1 - 56619 - 266 - 8 Lomas , Robert ( 1999 ) . The Man Who Invented the Twentieth Century : Nikola Tesla , forgotten genius of electricity . London : Headline . ISBN 978 - 0 - 7472 - 7588 - 6 Martin , Thomas C. ( 1894 ( 1996 reprint ) ) , The Inventions , Researches , and Writings of Nikola Tesla , Montana : Kessinger . ISBN 978 - 1 - 56459 - 711 - 3 McNichol , Tom ( 2006 ) . AC / DC The Savage Tale of the First Standards War , Jossey - Bass . ISBN 978 - 0 - 7879 - 8267 - 6 Peat , F. David ( 2003 ) . In Search of Nikola Tesla ( Revised ed . ) . Bath : Ashgrove . ISBN 978 - 1 - 85398 - 117 - 3 . Trinkaus , George ( 2002 ) . Tesla : The Lost Inventions , High Voltage Press . ISBN 978 - 0 - 9709618 - 2 - 2 Valone , Thomas ( 2002 ) . Harnessing the Wheelwork of Nature : Tesla 's Science of Energy . ISBN 978 - 1 - 931882 - 04 - 0 Publications A New System of Alternating Current Motors and Transformers , American Institute of Electrical Engineers , May 1888 . Selected Tesla Writings , Scientific papers and articles written by Tesla and others , spanning the years 1888 -- 1940 . Light Without Heat , The Manufacturer and Builder , January 1892 , Vol. 24 Biography : Nikola Tesla , The Century Magazine , November 1893 , Vol. 47 Tesla 's Oscillator and Other Inventions , The Century Magazine , November 1894 , Vol. 49 The New Telegraphy . Recent Experiments in Telegraphy with Sparks , The Century Magazine , November 1897 , Vol. 55 Journals Pavićević , Aleksandra ( 2014 ) . `` From lighting to dust death , funeral and post mortem destiny of Nikola Tesla '' . Glasnik Etnografskog instituta SANU. 62 ( 2 ) : 125 -- 139 . doi : 10.2298 / GEI1402125P . Carlson , W. Bernard , `` Inventor of dreams . '' Scientific American , March 2005 Vol. 292 Issue 3 p. 78 ( 7 ) . Jatras , Stella L. , `` The genius of Nikola Tesla . '' The New American , 28 July 2003 Vol. 19 Issue 15 p. 9 ( 1 ) Lawren , B. , `` Rediscovering Tesla . '' Omni , March 1988 , Vol. 10 Issue 6 . Rybak , James P. , `` Nikola Tesla : Scientific Savant . '' Popular Electronics , 1042170X , November 1999 , Vol. 16 , Issue 11 . Thibault , Ghislain , `` The Automatization of Nikola Tesla : Thinking Invention in the Late Nineteenth Century . '' Configurations , Volume 21 , Number 1 , Winter 2013 , pp. 27 -- 52 . Martin , Thomas Commerford , The Inventions , Researches , and Writings of Nikola Tesla , New York : The Electrical Engineer , 1894 ( 3rd Ed . ) ; reprinted by Barnes & Noble , 1995 Anil K. Rajvanshi , Nikola Tesla -- The Creator of Electric Age , Resonance , March 2007 . Roguin , Ariel , Historical Note : Nikola Tesla : The man behind the magnetic field unit . J. Magn . Reson . Imaging 2004 ; 19 : 369 -- 374 . 2004 Wiley - Liss , Inc . Sellon , J.L. , The impact of Nikola Tesla on the cement industry . Behrent Eng. Co. , Wheat Ridge , Colorado . Cement Industry Technical Conference . 1997 . XXXIX Conference Record. , 1997 IEEE / PC . Page ( s ) 125 -- 133 . Valentinuzzi , M.E. , Nikola Tesla : why was he so much resisted and forgotten ? Inst . de Bioingenieria , Univ . Nacional de Tucuman ; Engineering in Medicine and Biology Magazine , IEEE . July / August 1998 , 17 : 4 , pp. 74 -- 75 . Secor , H. Winfield , Tesla 's views on Electricity and the War , Electrical Experimenter , Volume 5 , Number 4 August 1917 . Florey , Glen , Tesla and the Military . Engineering 24 , 5 December 2000 . Corum , K.L. , J.F. Corum , Nikola Tesla , Lightning Observations , and Stationary Waves. 1994 . Corum , K.L. , J.F. Corum , and A.H. Aidinejad , Atmospheric Fields , Tesla 's Receivers and Regenerative Detectors. 1994 . Meyl , Konstantin , H. Weidner , E. Zentgraf , T. Senkel , T. Junker , and P. Winkels , Experiments to proof the evidence of scalar waves Tests with a Tesla reproduction . Institut für Gravitationsforschung ( IGF ) , Am Heerbach 5 , D - 63857 Waldaschaff . Anderson , L.I. , John Stone Stone on Nikola Tesla 's Priority in Radio and Continuous Wave Radiofrequency Apparatus . The AWA Review , Vol. 1 , 1986 , pp. 18 -- 41 . Anderson , L.I. , Priority in Invention of Radio , Tesla v. Marconi . Antique Wireless Association monograph , March 1980 . Marincic , A. , and D. Budimir , Tesla 's contribution to radiowave propagation . Dept. of Electron . Eng. , Belgrade Univ . ( 5th International Conference on Telecommunications in Modern Satellite , Cable and Broadcasting Service , 2001 . TELSIKS 2001 . pp. 327 -- 331 vol. 1 ) Video See also : Nikola Tesla in popular culture Nikola Tesla -- 1977 ten - episode TV series featuring Rade Šerbedžija as Tesla . Tajna Nikole Tesle ( The Secret of Nikola Tesla ) ' -- 1980 Documentary directed by Krsto Papić , featuring Petar Božović as Tesla and Orson Welles as J.P. Morgan Tesla : Master of Lightning -- 2003 Documentary by Robert Uth , featuring Stacy Keach as the voice of Tesla . Tesla -- a 2016 documentary film by David Grubin presented on the American Experience series . External links Find more aboutNikola Teslaat Wikipedia 's sister projects Media from Wikimedia Commons Quotations from Wikiquote Texts from Wikisource Textbooks from Wikibooks Nikola Tesla Museum Tesla memorial society by his grand - nephew William H. Terbo Tesla -- References in European newspapers Online archive of many of Tesla 's writings , articles and published papers FBI . `` Nikola Tesla '' ( PDF ) . Main Investigative File . FBI . Tesla Science Center at Wardenclyffe Works by Nikola Tesla at Project Gutenberg Works by or about Nikola Tesla at Internet Archive Works by Nikola Tesla at LibriVox ( public domain audiobooks ) <Th_colspan="3"> Nikola Tesla Career and inventions Patents Egg of Columbus Magnifying transmitter Polyphase system Rotating magnetic field Alternating - current commutatorless induction motor Tesla Experimental Station Teleforce Telegeodynamics Tesla coil Wireless power Resonant inductive coupling Radio control Tesla turbine Tesla 's oscillator Three - phase electric power Wardenclyffe Tower Tesla Electric Light and Manufacturing Writings The Inventions , Researches , and Writings of Nikola Tesla Colorado Springs Notes , 1899 -- 1900 `` Fragments of Olympian Gossip '' My Inventions : The Autobiography of Nikola Tesla Other War of Currents Westinghouse Electric World Wireless System In popular culture Related Nikola Tesla Museum Tesla Science Center at Wardenclyffe IEEE Nikola Tesla Award Tesla Satellite Award Belgrade Nikola Tesla Airport Tower to the People Wizard : The Life and Times of Nikola Tesla The Man Who Invented the Twentieth Century Tesla : Man Out of Time The Tesla World Light <Th_colspan="2"> Telecommunications History Beacon Broadcasting Cable protection system Cable TV Communications satellite Computer network Drums Electrical telegraph Fax Heliographs Hydraulic telegraph Internet Mass media Mobile phone Optical telecommunication Optical telegraphy Pager Photophone Prepay mobile phone Radio Radiotelephone Satellite communications Semaphore Smartphone Smoke signals Telecommunications history Telautograph Telegraphy Teleprinter ( teletype ) Telephone The Telephone Cases Television Timeline of communication technology Undersea telegraph line Videoconferencing Videophone Videotelephony Whistled language Pioneers Edwin Howard Armstrong John Logie Baird Paul Baran Alexander Graham Bell Tim Berners - Lee Jagadish Chandra Bose Vint Cerf Claude Chappe Donald Davies Lee de Forest Philo Farnsworth Reginald Fessenden Elisha Gray Erna Schneider Hoover Charles K. Kao Hedy Lamarr Innocenzo Manzetti Guglielmo Marconi Antonio Meucci Radia Perlman Alexander Stepanovich Popov Johann Philipp Reis Nikola Tesla Camille Tissot Alfred Vail Charles Wheatstone Vladimir K. Zworykin Transmission media Coaxial cable Fiber - optic communication Optical fiber Free - space optical communication Molecular communication Radio waves Transmission line Network topology and switching Links Nodes Terminal node Network switching ( circuit packet ) Telephone exchange Multiplexing Space - division Frequency - division Time - division Polarization - division Orbital angular - momentum Code - division Networks ARPANET BITNET Cellular network Computer CYCLADES Ethernet FidoNet Internet ISDN LAN Mobile NGN NPL network Public Switched Telephone Radio Telecommunications equipment Television Telex WAN Wireless World Wide Web <Td_colspan="2"> Category Portal <Th_colspan="2"> IEEE Edison Medal 1909 -- 1925 Elihu Thomson ( 1909 ) Frank J. 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18ba - 40dc - b808 - da6c516346b3 NDL : 00621553 NKC : jn20000701791 NLA : 35544219 SNAC : w6571dm6 SUDOC : 034983023 ULAN : 500087411 VIAF : 70194046 Retrieved from `` https://en.wikipedia.org/w/index.php?title=Nikola_Tesla&oldid=850502555 '' Categories : Nikola Tesla 1856 births 1943 deaths 19th - century American engineers 19th - century American physicists 20th - century American engineers 20th - century American physicists American electrical engineers American futurologists American humanists American inventors American mechanical engineers American people of Serbian descent Austro - Hungarian emigrants to the United States Austro - Hungarian engineers Austro - Hungarian inventors Austro - Hungarian scientists Austro - Hungarian Serbs Fellow Members of the IEEE Fellows of the American Association for the Advancement of Science Grand Crosses of the Order of St. Sava Grand Crosses of the Order of the White Eagle ( Serbia ) Grand Crosses of the Order of the White Lion Graz University of Technology alumni Great Officers of the Order of St. Sava IEEE Edison Medal recipients Members of the Serbian Academy of Sciences and Arts Mental calculators National Inventors Hall of Fame inductees People from Colorado Springs , Colorado People from Gospić People from Karlovac People of the Military Frontier People with acquired American citizenship Radio pioneers Recipients of the Order of the Yugoslav Crown Scientists from New York City Serbs of Croatia Wireless energy transfer Deaths from coronary thrombosis Hidden categories : CS1 maint : Extra text : authors list All articles lacking reliable references Articles lacking reliable references from March 2016 Subscription required using via Pages containing links to subscription - 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