Tommy Flowers Dead
GPO engineer who built Colossus on his own authority � then could not speak of it for thirty years.
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Created Colossus
Designed Colossus (1943) — the first programmable electronic computer — at the Post Office, to break the Lorenz cipher at Bletchley.\n\nThe machine that stayed secret until the 1970s; his story is the war's greatest kept engineering secret.