BLETCHLEY, ENGLAND - JUNE 03: The Lorenz SZ42 German cipher machine pictured at The National Museum of Computing on June 3, 2016 in Bletchley, England. During World War II British codebreakers helped decipher the German Army's Lorenz cipher using the Colossus computer and Tunny machine at the Government Code and cipher School's (GC&CS) main codebreaking centre, Bletchley Park. The machines at Bletchley Park's Block H, the world's first purpose-built computer centre, helped gather crucial intelligence for the British military during the war. (Photo by Jack Taylor/Getty Images)
