Tommy Flowers

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Tommy Harold Flowers

Thomas (Tommy) Harold Flowers (born December 22, 1905 in Poplar , East End of London , † October 28, 1998 in London ) was an English engineer who designed Colossus .

The son of a bricklayer trained as a mechanic at the Royal Arsenal and attended evening courses in electrical engineering at the University of London . In 1926 he started at the General Post Office , where he was transferred to the Post Office Research Station in Dollis Hill (in north-west London) in 1930 . From 1935 he researched the use of electronics for telephone systems.

In order to decipher the German telex key suffix SZ 40, he constructed an electronic system with 1,800 tubes, the Colossus, in Bletchley Park from February 1943 . His work remained a secret until the 1970s.

literature

documentation

  • Code-Breakers: Bletchley Park's Lost Heroes (one-hour BBC documentary by Julian Carey from 2011)