BILL TUTTE CODEBREAKER 'THE GREATEST INTELLECTUAL FEAT OF THE SECOND WORLD WAR.' ... a testimonial to Bill Tutte and his codebreaking discovery in 1942 at Bletchley Park. Bill Tutte was a young, gauche PhD student, yet his remarkable breakthrough and continuing endeavour against a German cipher machine more complex than Enigma led to the development of the world's first programmable computer, Colossus. Colossus allowed top-secret messages between...