- male, 59 years old (Cheyenne, Wyoming, United States)
- David Duane "Dave" Freudenthal (born October 12, 1950) is an American politician from the U.S. state of Wyoming. A Democrat, Freudenthal is...
- male, deceased (1839)
- Friedrich Mohs (January 29, 1773 - September 29, 1839) was a German geologist/mineralogist. Mohs, born in Gernrode, Germany, studied chemistry,...
- male
- Joel Fuhrman is an American family medicine physician and author. He maintains a medical practice in Flemington, New Jersey, and specializes in...
- male, deceased (1864)
- Benjamin Silliman (8 August 1779 - 24 November 1864) was an American chemist, one of the first American professors of science (at Yale University),...
- male, deceased (1833)
- Richard Trevithick was a British inventor, engineer and builder of the first working railway steam locomotive. He was born at Tregajorran (in the...
- male, deceased (1965)
- Arthur Holmes (January 14 1890 - September 20 1965) was a British geologist. As a child he lived in Low Fell, Gateshead. He performed the first...
- male, deceased (1996)
- Roger Tory Peterson, was an American naturalist, ornithologist, artist, and educator, and held to be one of the founding inspirations for the 20th...
- male, deceased (1728)
- John Woodward (May 1, 1665 - April 25, 1728) was an English naturalist and geologist. Woodward was born in Derbyshire. At the age of sixteen he...
- male
- Jan Scholten (born, 1951, Helmond, Netherlands) is an Author and Researcher in the field of Homeopathy. Scholten received an MD degree in 1983 and...
- male, deceased (1817)
- William Gregor (25 December 1761 - 11 June 1817) was the English clergyman and mineralogist who discovered the elemental metal titanium.
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