Across
- 4. Chinese thinker and social philosopher, The first private teacher
- 5. Paper
- 7. Father of political philosophy, morality, and good logic
- 10. Alternating current
- 11. Nicolas Appert
- 12. Toilet,Lamination
Down
- 1. Moonlight Sonata
- 2. Alexander Parkes
- 3. TNT
- 6. Pinhole Camera
- 8. Leonardo da Vinci's most famous creation
- 9. Abbas ibn Firnas