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John H. Tiltman (Londres, 25 de mayo de 1894 – Hawái, 10 de agosto de 1982) fue un criptoanalista británico, oficial del Ejército Británico que trabajó en inteligencia, a menudo en la Government Communications Headquarters (GC&CS) a partir de la década de 1920.
Brigadier John Hessell Tiltman, CMG, CBE, MC (25 May 1894 – 10 August 1982) was a British Army officer who worked in intelligence, often at or with the Government Code and Cypher School (GC&CS) starting in the 1920s.
John H. Tiltman ( Londres, 25 de mayo de 1894 – Hawái, 10 de agosto de 1982) fue un criptoanalista británico, oficial del Ejército Británico que trabajó en inteligencia, a menudo en la Government Communications Headquarters (GC&CS) a partir de la década de 1920.
Brigadier John Hessell Tiltman, CMG, CBE, MC (25 de mayo de 1894 - 10 de agosto de 1982) fue un oficial del ejército británico que trabajó en inteligencia, a menudo en o con la Government Code and Cypher School (GC&CS) a partir de la década de 1920.
John Tiltman was an early and persistent advocate of British cooperation with the United States in cryptology. His advocacy helped achieve smooth relations during World War II. In 1944, he was promoted to Brigadier and appointed Deputy Director of GC&CS.
Learn about the life and achievements of John Tiltman, the chief cryptographer of GC&CS during World War II and a consultant to NSA. He broke and developed codes and ciphers for Britain and its allies for over six decades.
John Tiltman, a codebreaker at Bletchley Park, recognized the early messages as being enciphered in the Vernam manner, meaning that they depended on the addition of a sequence of obscuring numbers to the sequence of the text, and were given the code name "Tunny."
