Across
- 2. a person good at solving problems and calculations
- 4. the illness that made Christopher die
- 5. the catastophic historical event from 1939 to 1945
- 7. name Turing gave to his machine
Down
- 1. A highly toxic compound
- 3. a word game with a grid of white and black squares
- 6. person who secrtely gets confidential information