Colossus was the world's first programmable (to a limited extent) digital electronic computer. It was built by the British Post Office Research Station at Dollis Hill, by Thomas Flowers and crew to a design by Max Newman and associates of Bletchley Park. It was primarily designed for cryptanalysis in an attempt to break one of the cyphers used by the German military for its most secure strategic ... [MORE]
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Bletchley Park Museum : Lorenz Cipher Machine
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Descriptions of the Lorenz cipher machine and the Colossus computer built to crack the code. Information on the rebuild of a working Colossus.
