Gerard Troost
Dutch-American medical doctor and naturalist
Gerardus Troost was a Dutch-American medical doctor, naturalist, mineralogist, and founding member and first president of the Philadelphia Academy of Natural Sciences. Wikipedia
Born: March 5, 1776, 's-Hertogenbosch, Netherlands
Died: August 14, 1850 (age 74 years), Nashville, TN
Education: Universiteit Leiden
Parents: Everardus Josephus Troost