John Tiltman
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Brigadier John Hessell Tiltman, was a British Army officer who worked in intelligence, often at or with the Government Code and Cypher School starting in the 1920s.
British cryptanalysts Harry Hinsley, Sir Edward Travis, and John Tiltman in Washington D.C., November 1945
Jerry Roberts
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Captain Raymond C. "Jerry" Roberts MBE was a British wartime codebreaker and businessman. During the Second World War, Roberts worked at the Government Code and Cypher School at Bletchley Park from 19
Capt. Jerry Roberts MBE photographed at Bletchley Park where he worked from 1941–45. He was a linguist and leading codebreaker on the Cryptanalysis of the Lorenz cipher.
