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date: 26 February 2020

Denniston, Alexander Guthrie [Alastair]locked

  • F. H. Hinsley
  • , revised by Ralph Erskine


Denniston, Alexander Guthrie [Alastair] (1881–1961), cryptanalyst and intelligence officer, was born on 1 December 1881 at Greenock, the eldest child of James Denniston, a medical practitioner, and his wife, Agnes Guthrie. He was educated at Bowdon College, Cheshire, and at the universities of ...

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