|Tommy Flowers |
The Colossus, developed during World War II, was the world's first electronic digital programmable computer. It was used to decrypt German messages. Colossus was designed by the engineer Tommy Flowers with inputs from Sidney Broadhurst, William Chandler, Allen Coombs and Harry Fenson.
The first electronic digital stored-program computer was the Manchester Small scale Experiment Machime or SSEM that was developed in 1948.