| Allen Coombs | |
|---|---|
| Born | Allen William Mark Coombs 23 October 1911 |
| Died | 30 January 1995 (aged 83) Yealmpton, Devon, England |
| Nationality | English |
| Occupation | Electronics Engineer |
Allen William Mark (Doc) Coombs (23 October 1911 – 30 January 1995) was a British electronics engineer at the Post Office Research Station, Dollis Hill. He was one of the principal designers of the Mark II or production version of the Colossus computer used at Bletchley Park for codebreaking in World War II, and took over leadership of the project when Tommy Flowers moved on to other projects.
The Making of Colossus by A.W.M. Coombs in: Annals of the History of Computing Volume 5 No. 3 (pp 253-259, 1983)