Cryptanalysis of the Enigma immense problem and it gave a great deal of trouble. Work on a high speed machine had been started by Wynn-Williams of the TRE late in 1941 and some nine months later Harold Keen of BTM started work independently. Early in 1942, Bletchley Park were a long way from possessing a high speed machine of any sort. Eventually, after a long period of being unable to decipher U-boat messages, a source of cribs was found. This was the Kurzsignale (short signals), a code which the German navy used to minimize the duration of transmissions, thereby reducing the risk of being
It Was the War of the Trenches grandfather, who was a veteran of that war, and books he read about the topic. He said: "When I was small, my grandmother used to tell me stories about my grandfather in the First World War. I think the first book I read that wasn’t a picture book was a war story about an army dog who saved his master. And I still get this recurring nightmare of finding myself standing in front of a Call-Up poster - it’s a personal anxiety of mine, being caught up in a situation I can’t control." The stories focus on the daily horrors