Across
- 2. One of the Founding Fathers and the second US president.
- 5. Composed over 600 works for all the musical genres of his day.
- 6. Physicist and chemist who invented the electric battery and discovered methane.
- 8. Contributed inventions such as the incandescent light bulb, the phonograph, and the motion picture camera.
- 9. Physicist, cosmologist, and author who studied black holes.
- 11. Known for her extensive research on the chimpanzees of Tanzania.
- 13. Invented the first working telephone in 1876.
- 14. Proved Hitler wrong by breaking world records at the 1936 Olympic games.
- 15. Developed the assembly line technique to make mass production possible.
- 18. Brilliant physicist who developed the theory of relativity.
- 19. Civil War nurse and founder of the American Red Cross.
- 20. Escape artist whose real name was Erich Weisz.
Down
- 1. Has been called the "father of observational astronomy".
- 3. Guide and interpreter for Lewis & Clark on their famous expedition.
- 4. Polish physicist and chemist who discovered radium and polonium.
- 7. Broke the color barrier in Major League Baseball.
- 10. Pioneer and author of the "Little House on the Prairie" book series.
- 11. Used nonviolent resistance to help gain India's independence from British Rule.
- 12. Singer, songwriter and peace activist who was most famous for being a member of the Beatles.
- 16. Painted the Mona Lisa and developed many science and engineering ideas in his notebook.
- 17. Abolitionist and author of "Uncle Tom's Cabin".
- 18. The first woman to fly solo across the Atlantic Ocean.
