Alan Mathison Turing was an English mathematician, computer scientist, logician, cryptanalyst, philosopher and theoretical biologist. He was highly influential in the development of theoretical comput
Turing in 1951
English Heritage blue plaque in Maida Vale, London, marking Turing's birthplace in 1912
Turing at age 16, c. 1928 – c. 1929
Turing (seated second from left) in Cornwall, with fellow Shirburnians: Edwin Davis, John Bennett, Peter White, Peter Hogg (seated second from right), and Duncan Carse, in April 1930.