Great Inventors

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Across
  1. 3. - Assembly line
  2. 4. - Mechanical calculator
  3. 5. - Relativity theorist
  4. 8. - Radio inventor
  5. 11. - Telephone inventor
  6. 12. - Printing press
  7. 14. Inventors
  8. 15. - Steam locomotive
  9. 16. - Renaissance inventor
Down
  1. 1. - Lightning rod
  2. 2. - Light bulb inventor
  3. 3. - Penicillin discoverer
  4. 6. - Airplane pioneers
  5. 7. - Telegraph inventor
  6. 9. - Radioactivity pioneer
  7. 10. - Gravity theorist
  8. 13. - AC power pioneer