Jack Dorsey days, Dorsey worked occasionally as a fashion model. By age fourteen, Dorsey had become interested in dispatch routing. Some of the open-source software he created in the area of dispatch logistics is still used by many taxi cab companies. Dorsey attended the University of Missouri–Rolla for two-plus years (1995–1997) before transferring to New York University, but he dropped out in 1999, one semester short of graduating. He first came up with the idea that he developed as Twitter while studying at New York University. While working on dispatching as a programmer, Dorsey moved to California. In 2000, Dorsey started his
Evan James Williams Evan James Williams Evan James Williams FRS (8 June 1903 – 29 September 1945) was a Welsh experimental physicist who worked in a number of fields with some of the most notable physicists of his day, including Patrick Blackett, Lawrence Bragg, Ernest Rutherford and Niels Bohr. Williams earned a degree at Swansea University, doctorates at Manchester and Cambridge universities and a professorship at Aberystwyth University. He was highly regarded by his colleagues, and made a Fellow of the Royal Society in 1939. He died of cancer at the age of 42. Williams was born in the Ceredigion village of Cwmsychbant