Christian Ehrenfried Weigel

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Christian von Weigel
Christian Ehrenfried Weigel (1748-1831).jpg
Christian Ehrenfried Weigel (1748-1831)
Born 24 May 1748
Stralsund, Swedish Pomerania, Sweden
Died 8 August 1831
Greifswald, Province of Pomerania, Kingdom of Prussia
Fields Chemist and botanist
Institutions University of Greifswald
Alma mater University of Göttingen
Doctoral advisor Johann Christian Erxleben
Doctoral students Karl Rudolphi
Author abbrev. (botany) Weigel

Christian Ehrenfried Weigel (24 May 1748 – 8 August 1831) was a German scientist and, beginning in 1774, a professor of Chemistry, Pharmacy, Botany, and Mineralogy at the University of Greifswald.

Born in Stralsund, in 1771 he received his degree, having studied under Johann Christian Erxleben in Göttingen. In 1806, Weigel was ennobled and carried from then on a "von" in his name. He became the personal physician of the Swedish royal house two years later. Among other things, Weigel developed a cooling heat exchanger (German Gegenstromkühler) (1771), which was later improved upon by Justus von Liebig and then became to be known as the Liebig condenser (Liebigkühler). Furthermore, the Genus Weigela is named after him.

In 1792, he was elected a foreign member of the Royal Swedish Academy of Sciences.

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