Cryptanalysis of the Enigma by the letters on the top row of the Enigma keyboard. So, "continuation of message sent at 2330" was represented as "FORTYWEEPYYWEEPY". "Cribs" were fundamental to the British approach to solving Enigma keys, but guessing the plaintext for a message was a highly skilled business. So in 1940 Stuart Milner-Barry set up a special "Crib Room" in Hut 8. Foremost amongst the knowledge needed for identifying cribs was the text of previous decrypts. Bletchley Park maintained detailed indexes of message preambles, of every person, of every ship, of every unit, of every weapon, of every technical term and of repeated
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