Great People and Inventions

123456789101112
Across
  1. 2. Nicolas Appert
  2. 7. Alexander Parkes
  3. 8. Toilet,Lamination
  4. 10. Chinese thinker and social philosopher, The first private teacher
  5. 11. Leonardo da Vinci's most famous creation
  6. 12. Father of political philosophy, morality, and good logic
Down
  1. 1. Pinhole Camera
  2. 3. Alternating current
  3. 4. Moonlight Sonata
  4. 5. Abbas ibn Firnas
  5. 6. TNT
  6. 9. Paper