Inventions and inventors

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Across
  1. 2. Inventor of the telephone)
  2. 4. Inventors of the airplane)
  3. 5. Inventor of the iPhone)
  4. 7. Inventor of the portable X-ray machine)
  5. 9. Inventor of the printing press)
  6. 11. Inventor of the reflecting telescope)
  7. 13. Inventor of the steam engine)
  8. 14. Inventor of the telegraph)
  9. 16. Inventor of the electric light bulb)
Down
  1. 1. Inventor of the theory of relativity)
  2. 3. Inventor of penicillin)
  3. 6. Inventor of the World Wide Web)
  4. 8. Inventor of the lightning rod)
  5. 10. Inventor of alternating current)
  6. 12. Inventor of the radio)
  7. 15. Inventor of the cotton gin)