CrosswordMint
Hidden Geniuses of Invention
Perfect for beginners with simple, common vocabulary
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Across
  • 1. Inventor of the light bulb
  • 3. Improved the steam engine
  • 4. Pioneer of electric power systems
  • 5. Developer of the steamboat
  • 8. Famous for the sewing machine
  • 10. Invented early refrigeration method
Down
  • 2. Known for early television invention
  • 6. Built the first steam car
  • 7. Invented the safety elevator
  • 9. Worked on early wireless radio
  • 11. Man who created the telephone
  • 12. Studied blood circulation

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