The historians reveal unknown secrets of Bletchley’s wartime operation and the Enigma, and discuss the code-breaking challenges we face in today’s rapidly changing and technologically complex world. McKay is the author of the bestselling The Lost World of Bletchley Park and Bletchley Park - The Secret Archives. Bletchley Park’s Enigma expert, Thomas Briggs, brings a genuine, working Enigma machine to the Festival.
