| 2. |
an American engineer and inventor who developed the first steamboat and designed the first submarine |
| 4. |
American inventor most known for the invention of the cotton gin |
| 6. |
American inventor and scientist most known for the development of the phonograph and light bulb |
| 7. |
American engineer and inventor most known for inventing air conditioning |
| 10. |
American painter and inventor that created the Morse code system |
| 11. |
scientist and inventor credited with inventing the telephone |
| 12. |
German goldsmith and printer and the inventor of the printing press |
| 14. |
Scottish pharmacologist and biologist that discovered penicillin |