Allen Coombs

Allen Coombs
Born	Allen William Mark Coombs 23 October 1911(1911-10-23)
Died	30 January 1995(1995-01-30) (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.

References

The Making of Colossus by A.W.M. Coombs in: Annals of the History of Computing Volume 5 No. 3 (pp 253-259, 1983)

External links

• Article by Brian Randall
• Obituary in The Independent

Persondata
Name	Coombs, Allen
Alternative names
Short description
Date of birth	23 October 1911
Place of birth
Date of death	30 January 1995
Place of death	Yealmpton, Devon, England