There were actually two computers: the titular Colossus, which was an American computer, and the Guardian, a similar Soviet computer. In the United States, Dr. Forbin has created a supercomputer ...

Comprising 2,500 valves and rebuilt from a series of black and white photos and some circuit diagrams.The original wartime Colossus was designed and built by the Post Office engineer, Tommy ...

Buckinghamshire was Britain's main decryption establishment during World War Two. Ciphers and codes of several Axis countries were decrypted including, most importantly, those generated by the German ...