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 ...

completes the first general purpose progammable calculator in 1941. He pioneers the use of binary math and boolean logic in electronic calculation. Colossus, a British computer used for code ...

Photo: Wrens (members of the Women's Royal Naval Service) at Bletchley with Colossus, the world's first electronic programmable computer, in 1942. (SSPL/Getty Images) Peter Westcombe, founder of ...