Famous Scientists

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Across
  1. 2. brothers who created first airplane
  2. 3. contributed to modern alternating current (AC) electricity
  3. 5. her book Silent Spring helped start the environmental movement
  4. 7. discovered vaccines; founded science of germ history
  5. 10. created light bulb, phonograph and motion picture
  6. 11. formulated the laws of motion and universal gravitational
  7. 13. developed general theory of relativity
  8. 16. electrical experiments led to invention of the lightning rod
  9. 18. was a botanist, anatomist, engineer as well as an artist
  10. 19. considered the world's foremost expert on chimpanzees
Down
  1. 1. first woman in space, flew twice on space shuttle Challenger
  2. 2. with colleague Crick discovered structure of DNA molecule
  3. 4. first used telescope to view planets and stars
  4. 6. father of modern chemistry, first name Antoine
  5. 8. first African American woman to travel in space
  6. 9. often described as the world's first computer programmer
  7. 12. first woman to win a Nobel Prize, won twice
  8. 14. this educator and comedian had his own TV show
  9. 15. botanist, called 'farmer's best friend'
  10. 17. leading architect and engineer in ancient Egypt