Alexander, (Conel) Hugh O'Donel (1909–1974), chess player and cryptanalyst, was born in Cork on 19 April 1909, the eldest of four children of Conel William Long Alexander (1879–1920), professor of engineering at University College, Cork, and his wife, Hilda Barbara Bennett (1881–1964), of ...
revised by Ralph Erskine
Foss, Hugh Rose (1902–1971), cryptanalyst, was born on 13 May 1902 in Kobe, Japan, one of five children of Hugh James Foss (1848–1932), Anglican bishop of Osaka, and his wife, Janet Ovans (b. 1870). He was educated at Hoylake, at Marlborough College...
Grey, Nigel Arthur de (1886–1951), cryptanalyst, was born on 27 March 1886 at the rectory, Copdock, Suffolk, the son of the Hon. Arnold de Grey (b. 1856), rector of Copdock, and his wife, Margaret Maria Ponsonby Fane. His father was the son of the ...
Maker: unknown photographer
D. R. Nicoll
Tiltman, John Hessell (1894–1982), cryptanalyst, was born at 70 Torrington Square, Bloomsbury, London, on 25 May 1894, the youngest in the family of one daughter and two sons of Alfred Hessell Tiltman, architect, and his wife, Sarah Ann Jane Kerr. Tiltman was educated at ...
Willes, Edward (1694–1773), bishop of Bath and Wells and cryptanalyst, was born at Bishop's Itchington, Warwickshire, on 6 March 1694, the son of John Willes (1647/8–1700), rector of that parish, and his wife, Anne, daughter of Sir William Walker of Oxfordshire. The judge ...