The Imitation Game Christopher soon dies from tuberculosis. When Britain declares war on Germany in 1939, Turing travels to Bletchley Park. Under the direction of Commander Alastair Denniston, he joins the cryptography team of Hugh Alexander, John Cairncross, Peter Hilton, Keith Furman and Charles Richards. The team are trying to decrypt the Enigma machine, which the Nazis use to send coded messages. Turing is difficult to work with, and considers his colleagues inferior; he works alone to design a machine to decipher Enigma. After Denniston refuses to fund construction of the machine, Turing writes to Prime Minister Winston Churchill, who puts Turing in
German Radio Intelligence Operations during World War II The following is a transcript of an intercept made by the RI Unit of the 252nd Infantry Division in the Gzhatsk Area on 24 February 1943. Prepared from private records in the possession of Colonel () Leo Hepp. Explanation of code designations: Left column is time. Right is message. German Radio Intelligence Operations during World War II German Radio Intelligence Operation during World War II were signals intelligence operations that were undertaken by German Axis forces in Europe during World War II. In keeping with German signals practice since 1942, the term "communication intelligence" () had been used when intercept