| 1. scientist and inventor credited with inventing the telephone |
2. American engineer and inventor most known for inventing air conditioning |
3. Polish woman physicist and chemist who discovered radium and polonium |
4. African American physician who developed blood banks |
| 5. American inventor and scientist most known for the development of the phonograph and light bulb |
6. Scottish pharmacologist and biologist that discovered penicillin |
7. well-known scientist and politician remembered for his discoveries in electricity |
8. an American engineer and inventor who developed the first steamboat and designed the first submarine |
| 9. a toy inventor that is most famous for the Etch-a-Sketch |
10. German goldsmith and printer and the inventor of the printing press |
11. American painter and inventor that created the Morse code system |
12. American publisher and politician who invented the first typewriter and qwerty keyboard |
| 13. German-Jewish immigrant who founded the first blue jean manufacturer |
14. a mechanical engineer and inventor who is most famous for the development of the steam engine and for whom the system of measuring the rate of energy conversion was named |
15. American inventor most known for the invention of the cotton gin |