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Pedro on 20 February 2015

People are forgetting the crucial role of Poles in breaking the Enigma machine: http://en.wikipedia.org/wiki/Enigma_machine http://en.wikipedia.org/wiki/Marian_Rejewski http://en.wikipedia.org/wiki/Henryk_Zygalski http://en.wikipedia.org/wiki/Jerzy_R%C3%B3%C5%BCycki

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Bill Tutte Memorial Fund on 21 February 2015

Pedro is right that Turing had assistance from Poles and others in cracking the Enigma code. He also had access to captured machines. In contrast, Bill Tutte had never seen a Lorenz machine before he worked out its structure from a decrypt by Tiltman. Lorenz was vastly more complex than Enigma and arguable much more significant strategically.

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Steve on 09 January 2018

Churchill announced that the collossus machines had been dismantled, although two remained until the 1960s. I assume to read Russian messages using the captured German code machines during the cold war.

Forgotten tech father: Bill Tutte vs. Alan Turing?

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