Inventors and Others

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Across
  1. 6. FRIED CHICKEN
  2. 8. MOON WALK
  3. 11. PRINTING PRESS
  4. 14. LIGHTBULB
  5. 16. POLIO
  6. 17. MORSE CODE
  7. 18. AIRPLANE
  8. 20. RADIO
Down
  1. 1. PENICILLAN
  2. 2. COTTON GIN
  3. 3. SLINKY
  4. 4. PEANUT BUTTER
  5. 5. MODEL T
  6. 7. BASEBALL
  7. 9. RUBIK CUBE
  8. 10. BASKETBALL
  9. 12. EARMUFFS
  10. 13. TELEPHONE
  11. 15. GRAVITY
  12. 19. BRAILLE