Alan Turing
Alan Mathison Turing OBE FRS was an English mathematician, computer scientist, logician, cryptanalyst, philosopher, and theoretical biologist. During the Second World War, Turing worked for the Government Code and Cypher School at Bletchley Park. He devised a number of techniques for speeding the breaking of German ciphers, including improvements to the pre-war Polish bombe method. Turing was prosecuted in 1952...