Alan Turing

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Mathematician and Bletchley Park codebreaker Alan Turing played a key role in deciphering the Enigma code (Photo by Science History Images / Alamy Stock Photo)

What if... The Enigma code had not been cracked by Alan Turing and Bletchley Park? . This is a premium piece of content available to subscribed users.

Alan Turing

Second World War

Your guide to Alan Turing: the man, the enigma

Code-breaking personnel at Bletchley Park, 1943. (Photo by Bletchley Park Trust/SSPL/Getty Images)

Second World War

The evolution of British code-breaking

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Spies through the ages podcast

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First World War

Money, love and revenge: the motivations of spies through history

7th January 1926: Bletchley Park, Buckinghamshire, HQ of the Allied cryptopgraphers during WW II and where the German 'Enigma' and 'Lorenz' codes, both considered unbreakable, were deciphered. (Photo by Evening Standard/Getty Images)

7 phases of the history of Artificial intelligence

Bletchley Park

Second World War

WW2 espionage: The spies who surprised me

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World War Two spies and an extraordinary naturalist . This is a premium piece of content available to subscribed users.