Listen to the Summary of David A. Price's Geniuses at War in 20 minutes. Please note: This is a summary & not the original book. On June 9, 1940, Hut 6 decoded a one-sentence Luftwaffe Enigma radio message that had been intercepted four days earlier. The cryptanalyst working on the message deemed it of low priority and, after reading it, shunted it aside. But Denys Felkin, head interrogator of the Royal Air Force interrogation section, took note of the message and its strange location coordinates...