"Tutte’s extraordinary achievement — breaking the complex German Lorenz code without ever seeing the machine that generated it — is said to have hastened the e

"Tutte’s extraordinary achievement — breaking the complex German Lorenz code without ever seeing the machine that generated it — is said to have hastened the end of the war by about two years and saved millions of lives." "The Lorenz code machine — used by Adolf Hitler and senior members of the German High Command to communicate high-level strategy — was believed to be unbreakable, and trusted with the most sensitive, highly strategic information. Alan Turing’s Enigma, on the other hand, was used to send tactical messages between individual formations and units, notably ships and submarines."