Gerard Troost (1776-11850), Dutch-born American geologist and natural philosopher. Professor of chemistry, geology and mineralogy at the University of

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Gerard Troost (1776-11850), Dutch-born American geologist and natural philosopher. Professor of chemistry, geology and mineralogy at the University of Nashville (1828). One of the founders of the Academy of Natural Sciences, Philadelphia. Engraving, 1896.

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Keywords: 1776-11850, 1828, 1896, academy, american, chemistry, dutch-born, engraving, founders, geologist, geology, gerard, mineralogy, nashville, natural, philadelphia, philosopher, professor, sciences, scientist, troost, university, usa