Stuart Milner-Barry | |
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| Born | 20 September 1906 Hendon, London |
| Died | 25 March 1995 (aged 88) Lewisham, London |
| Occupation(s) | Codebreaker, civil servant, chess player |
| Title | |
Sir Philip Stuart Milner-Barry KCVO CB OBE (20 September 1906 – 25 March 1995) was a British chess player, chess writer, World War II codebreaker and civil servant. He represented England in chess both before and after World War II. He worked at Bletchley Park during World War II, and was head of "Hut 6", a section responsible for deciphering messages which had been encrypted using the German Enigma machine. He was one of four leading codebreakers at Bletchley to petition the then-Prime Minister Winston Churchill directly for more resources for their work. After the war he worked in the Treasury, and later administered the British honours system. In chess, he represented England in international tournaments, and lent his name to four opening variations.