Biographies by Occupation
| Occupation | Name | Nationality | Dates |
|---|---|---|---|
| Chemist, Scientist, Law enforcement | Friedman, David | American, born Hungarian | 188_-? |
| Astronomer, Scientist | Aitken, Robert Grant | American | 31 December 1864-29 October 1951 |
| Astronomer, Scientist | Leavitt, Henrietta Swan | American | 4 July 1868-12 December 1921 |
| Bacteriologist, Medicine, Scientist | Jones, Clyde S. | American | fl. 1924 |
| Geologist, Scientist | Nathorst, Alfred G. | Swedish | 1850-1921 |
| Chemist, Scientist, Activist | Dusuzeau, Ernest | French | 1846-1917 |
| Paelobotanist, Scientist | Lesquereux, Leo | American, born Swiss | 18 November 1806-25 October 1889 |
| Astronomer, Scientist | Tanaka, Yukiaki | Japanese, Asian | 20th Century |
| Student, Scientist | Hill, Christy | American | fl. 1990 |
| Chemist, Scientist | Goldberg, Isaac | American | fl. 1925 |
| Chemist, Scientist | Croft, Edward | American | fl. 1932 |
| Metallurgist, Scientist, Author | Groesback, Edward | American | early 20th Century |
| Financial planner, Chemist, Scientist | Schwarz, Louis J. | American | 1945?- |
| Chemist, Scientist, Occultist | van Helmont, Francis Mercurius, baron | Belgian, Flemish | 1618-1699 |
| Naturalist, Scientist, Writer | Bonnet, Charles | Swiss | 13 March 1720-20 May 1793 |
| Electrical engineer, Scientist, Author | Fleming, John Ambrose | English, British | 29 November 1849-18 April 1945 |
| Geologist, Scientist | Geer, Ernest Grislet de | French | fl.1851 |
| Molecular biologist, Biologist, Scientist | Gavin, John Joseph | American | 21 October 1922- |
| Crop scientist, Biologist, Scientist, Farmer | Teschendorf, Greg A. | American | 31 December 1954- |
| Chemist, Statistician, Scientist, Mathematician | Breunig, H. Latham | American | 9 November 1910-21 December 1999 |