Edison Park, Chicago Edison Park, Chicago Edison Park (formerly Canfield) is one of the 77 community areas of Chicago, in North Side, Chicago, Illinois. It consists entirely of the Edison Park neighborhood, and is named after Thomas Alva Edison, who gave his blessing to this community namesake in 1890. According to the 2000 Census, its population is 11,259. Edison Park has one of the highest concentrations of Irish ancestry in Chicago, where they make up over three-fourths of the neighborhood's population. Located between the Des Plaines River and the Chicago River this area served as a local watershed divide. The Chicago River flowed
Invention of the telephone useful and widespread apparatus it is now. The telephone exchange was an idea of the Hungarian engineer Tivadar Puskás (1844–1893) in 1876, while he was working for Thomas Edison on a telegraph exchange. Puskás was working on his idea for an electrical telegraph exchange when Alexander Graham Bell received the first patent for the telephone. This caused Puskás to take a fresh look at his own work and he refocused on perfecting a design for a telephone exchange. He then got in touch with the U.S. inventor Thomas Edison who liked the design. According to Edison, "Tivadar Puskas was the