Alan Turing - War Time

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Across
  1. 3. A statistical method for improving the efficiency of breaking Enigma
  2. 6. Prime Minister during World War Two
  3. 9. Formed in 1919 to merge the intelligence agencies of the Army and Navy for peacetime operations and played a key role in codebreaking at Bletchey Park(5 words)
  4. 11. One of the earliest stored-program computers (2 words plus number)
  5. 14. A joking term used at Bletchley Park to describe Alan's unique approach to problem-solving
  6. 16. Linguist and intelligence analyst who worked in Hut 8
  7. 18. A chess champion and the original head of Hut 8 before Alan took over (2 words)
  8. 19. The name of the Operation of the D-Day landings that were aided by the intelligence gathered through Enigma decryption (2 words)
Down
  1. 1. Author of "Alan Turing: The Enigma" which provides a deep look into Alan's life and contributions, especially during the war
  2. 2. The section at Bletchley Park where Turing and his team focused on breaking Enigma(number included)
  3. 4. A fellow codebreaker and was engaged to Alan for a period of time
  4. 5. The world's first programmable digital electronic computer, designed to assist in codebreaking efforts
  5. 7. An electro-mechanical Bletchleysed by British cryptologists to help decipher Enigma
  6. 8. The site where Turing and his team worked on breaking Enigma (2 words)
  7. 10. The top-secret intelligence derived from the decrypted Engima messages
  8. 12. Alan's groundbreaking work in breaking the German Enigma code contributed significantly to the Allied victory
  9. 13. The Lorenz cipher used by the German High Command
  10. 15. A mathematician who was on Alan's team at Hut 8
  11. 17. The German encryption machine
  12. 20. The Successor of the Manchester Mark 1 (acronym)