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Colossus: Bletchley Park's Greatest Secret

Colossus In 1940, almost a year after the outbreak of the Second World War, Allied radio operators at an interception station in South London began picking up messages in a strange new code. They invented a machine called Colossus to decipher what turned out to be the secrets of Nazi high command. This book talks about this event. Full description

Important places

Bletchley Park (54)

Regions

Milton Keynes (66)

Countries

United Kingdom (21,421)

Other geographical areas

South East (2,496)