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
The Glory That Was century. Two of de Camp's friends and colleagues, science fiction writers Robert A. Heinlein and Isaac Asimov, with whom he had worked on military research during World War II, were involved in the book in different ways. It features a laudatory introduction by Heinlein and is dedicated to Asimov, whom de Camp stated "helped to push this one over the hump." Asimov recorded some vivid impressions of the author's research for the book in his own introduction to de Camp's short story collection "The Continent Makers and Other Tales of the Viagens" (1953). Twenty-seventh century Earth is united by a