John Cecil Masterman
 |
|
| Full name | Sir John Cecil Masterman |
|---|---|
| Born | 12 January 1891 |
| Died | 6 June 1977 (aged 86) |
| College |
Worcester College, Oxford University of Freiburg |
| Singles | |
| Grand Slam Singles results | |
| Wimbledon | 4R (1923) |
| Doubles | |
| Grand Slam Doubles results | |
| Wimbledon | QF (1923, 1924) |
| Mixed doubles | |
| Grand Slam Mixed Doubles results | |
| Wimbledon | 2R (1921) |
Sir John Cecil Masterman OBE (12 January 1891 – 6 June 1977) was a noted academic, sportsman and author. However, he was best known as chairman of the Twenty Committee, which during World War II ran the Double Cross System, the scheme that controlled double agents in Britain.
Masterman was educated at the Royal Naval Colleges of Osborne and Dartmouth, at Worcester College, Oxford, where he read modern history. He studied at the University of Freiburg where he also was an exchange lecturer in 1914, at the outbreak of World War I. As a result, he was interned as an enemy alien for four years in a detention camp in Ruhleben. During his internment, Masterman took the opportunity to further polish his German.
After his return from captivity, Masterman became tutor of Modern History in Christ Church, Oxford, where he was also censor (1920–26). In the 1920s he became a noted player of cricket, tennis and hockey, participating in international competitions, and in 1931 he toured Canada with the Marylebone Cricket Club; he was acknowledged as a master gamesman in Stephen Potter's book Gamesmanship.
After World War II he returned to Oxford, becoming Provost of Worcester College (1946–61) and Vice-Chancellor of Oxford University during 1957 and 1958. Masterman was knighted for his services in 1959.
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