Gerard Troost
American mineralogist · Netherlands · On the map · Doctors · Lived 1776 to 1850 · aged 74
Gerardus Troost was a Dutch-American medical doctor, naturalist, mineralogist, and founding member and first president of the Philadelphia Academy of Natural Sciences.
Gerard Troost is read about 4 times a day, in 6 languages.
A typical day, 30 days to 13 June 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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About this person
Country
Netherlands
Category
Doctors
Type
Doctor
Status
Deceased
Dates
Lived 1776 to 1850 · aged 74