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 the newly formed Operational Research Section at the Admiralty's Coastal Command where he worked for several more years devising more effective methods of dealing with German submarines. Williams died of cancer in September 1945 at his parents' home in Brynawel, Carmarthenshire, at the age of 42 after an 18-month illness. He was buried at Capel y Cwm, Cwmsychbant. His obituary for the Royal Society was written by Blackett, who also broadcast a radio appreciation of Williams in 1949, in which he said: In 1971 John Tysul Jones published a collection of articles about Williams. Evan James Williams Evan James Williams