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 news. Frankie Howerd also guested with stand-up comedy. Script-writers included John Albery, John Antrobus, John Betjeman, John Bird, Graham Chapman, John Cleese, Peter Cook, Roald Dahl, Richard Ingrams, Lyndon Irving, Gerald Kaufman, Frank Muir, David Nobbs, Denis Norden, Bill Oddie, Dennis Potter, Eric Sykes, Kenneth Tynan, and Keith Waterhouse. The programme opened with a song ("That was the week that was, It's over, let it go ...") sung by Millicent Martin, referring to news of the week just gone. Lance Percival sang a topical calypso each week. Satirical targets, such as Prime Minister Harold Macmillan and Home Secretary Henry Brooke