CREATIVE NONFICTION

URING WORLD WAR II, the Germans mounted a war effort extending over an expanse so vast that it could not be coordinated except via radio. Theoretically this made their communications vulnerable to interception, but the Germans placed their faith in Enigma, a machine capable of generating a code so complex that they considered it unbreakable. Yet the British did manage to break it. The story of how they did so is the subject of , the 2014 film directed by Morten Tyldum, starring Benedict Cumber-batch as its main character, the brilliant mathematician Alan Turing.