Great People and Inventions

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