Cooper, Joshua Edward Synge (1901–1981), cryptanalyst and intelligence officer, was born on 3 April 1901 in Fulham, the son of Richard Edward Synge Cooper, a chartered engineer, and his wife, Mary Eleanor, youngest daughter of William Burke. Joshua was the eldest of five children, four sons and a daughter, all brought up in ...
D. R. Nicoll
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 ...
Phelippes, Thomas (c. 1556–1625x7), cryptographer and intelligence gatherer, was the first son of William Philipps (d. 1590), a cloth merchant and customs officer for wool in the port of London, and his wife, Joan (d. 1613), daughter of Thomas Houghton. Little is known of ...