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
That Was the Week That Was who are hanging from the branches of the tree ...") accompanied by minstrel singers in blackface ("... we hate all the darkies and the Catholics and the Jews / Where we welcome any man / Who is strong and white and belongs to the Ku Klux Klan"), thus parodying "The Black and White Minstrel Show", which was then being shown on the BBC despite accusations of racism over its use of blackface. On Saturday, 20 October 1962 the award of Nobel prizes to John Kendrew and Max Perutz, and to Francis Crick, James D. Watson, and Maurice Wilkins was satirised