Across
- 2. Simple code for message transmission, still used
- 3. Piece of known Enigma code (eg Heil Hitler) used to aid further decryption
- 4. British codebeaker who designed first computing equipment
- 6. German machine for breaking supposedly unbreakable code
- 9. British codebreaking centre divided into huts, person in charge
- 11. Joan, worked with Turing at Bletchley
- 12. German intelligence service
- 13. Head of Bletchley Hut 6, mathematician and expert in traffic analysis
- 14. Park at which British codebreaking was performed
- 15. Set of computers delivered to Bletchley Park in Late 1943
Down
- 1. Elecro-mechanical machine for discovering initial setting of Enigma rotors
- 5. Allied codeword for intelligence material decrypted by Bletchley Park
- 7. Captured enemy messages for intelligence
- 8. Translating coded messages into actionable intelligence
- 10. British word for a vacuum tube, used by Colossus
- 11. Admiral, head of German Abwehr, later executed