| Clue | |
| Father of Modern Maritime Navigation | |
| Medicinal Theory involving four bodily fluids | |
| Medicines that were sold and heavily advertised despite the lack of any evidence of being actual cures | |
| Written by Nathaniel Bowditch. Carried on board every US naval vessel | |
| Creator of Birds of America | |
| Worked with Darwin | |
| Created American Journal of Science | |
| Either of the early anesthetics created by american doctors | |
| Astronomer and Oceanographer | |
| Was a scientific racist | |
| Year first American Journal of Science was published | |