invents

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Across
  1. 4. Thomas Midgley Jr. developed this fuel additive.
  2. 7. Developed by Edward Jenner.
  3. 8. Jonas Salk developed the first effective vaccine against polio.
  4. 12. Invented by Orville and Wilbur Wright.
  5. 14. Samuel Morse is known for developing Morse Code and the telegraph system.
  6. 16. Theodore Maiman is credited with the invention of the first laser.
  7. 18. Key invention of the Industrial Revolution, credited to James Watt.
  8. 19. Philo Farnsworth played a significant role in its development.
  9. 20. Discovered by Alexander Fleming.
Down
  1. 1. Invented by George de Mestral.
  2. 2. Invented by Alexander Graham Bell.
  3. 3. Percy Spencer contributed to the development of this kitchen appliance.
  4. 5. Invented by Wilson Greatbatch for the treatment of heart conditions.
  5. 6. Tim Berners-Lee is known for inventing this global network.
  6. 9. Modern computer credited to Charles Babbage's design.
  7. 10. Wilhelm Roentgen is known for discovering this form of electromagnetic radiation.
  8. 11. Pioneer of radio technology, Guglielmo Marconi.
  9. 13. Invented by Thomas Edison.
  10. 15. Raymond Damadian contributed to the development of Magnetic Resonance Imaging.
  11. 17. John Shepherd-Barron is credited with the invention of the automatic teller machine.