Alastair Denniston
(1881-1961)
British cryptographer and Royal Navy Commander
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Commander Alexander "Alastair" Guthrie Denniston CB CMG CBE RNVR (1 December 1881 – 1 January 1961) was a Scottish codebreaker in Room 40, deputy head of the Government Code and Cypher School (GC&CS) and hockey player. Denniston was appointed operational head of GC&CS in 1919 and remained so until February 1942.
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| Born |
1 December 1881 Greenock, Scotland, United Kingdom
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| Died |
1 January 1961 (aged 79) Lymington, Hampshire, England, UK
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| Zodiac | Sagittarius |
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