Tributes have been paid to Second World War Bletchley Park codebreaker Ruth Bourne, who has died at the age of 99. Ms Bourne, who grew up in Birmingham but lived High Barnet in north London, worked as ...

WORLD War Two codebreaker Ruth Bourne, who worked with Alan Turing to crack the German Enigma code, has died aged 99. Ms Bourne, grew up in Birmingham but later lived in High Barnet, north London, ...

This video explores how the Enigma Machine, used in World War II, scrambles letters through a complex system of rotors and wiring.

A World War Two codebreaker who worked as a Bombe machine operator and checker has died at the age of 99. Ruth Bourne, a Jewish veteran, was born in Manchester and raised in Birmingham. During the war ...

1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...

With war imminent in the 1930s, activity in and around Bletchley Park in Buckinghamshire met with many enquiries from local villagers ...

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The Voynich manuscript has long been shorthand for the unsolved and the unknowable, a late medieval codex filled with looping ...

Log-in to bookmark & organize content - it's free! International Spy Museum historian and curator Andrew Hammond provided a tour of the Museum, highlighting the World War II era German Enigma machine ...

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