Inventors

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Across
  1. 5. trailblazer for peanut production and crop rotation
  2. 6. drafted Edison's light bulb patent
  3. 7. invented the traffic signal and gas mask
  4. 9. Gladys West was a key contributor in GPS and _____ technology.
  5. 11. invented the telephone
Down
  1. 1. first computer programmer; wrote notes on Analytical Engine
  2. 2. ethnic group known for bronze tool innovation
  3. 3. revolutionized music technology with the analog synth
  4. 4. hands-on invention method
  5. 5. discovered radium
  6. 8. pioneer in alternating current electricity
  7. 10. "first recorded genius" that designed Djoser's step