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