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1841–1912
A Swiss scientist and physician who helped turn the study of lakes into a real scientific field, he is often remembered as a founder of limnology. His close, lifelong attention to Lake Geneva shaped work that connected medicine, natural history, and the physical world.

by F. A. (François Alphonse) Forel, August Gruber, Friedrich Ludwig, W. (Walter) Migula, Ludwig Plate, Julius Vosseler, Wilhelm Weltner
Born in Morges, Switzerland, in 1841, François-Alphonse Forel became known for bringing careful scientific study to lakes, especially Lake Geneva. He trained broadly in the sciences and medicine and later taught at the University of Lausanne, but his name is most strongly linked with the new field of limnology, the study of inland waters.
Forel's work ranged across biology, chemistry, geology, and the behavior of water itself. That wide view helped him describe lakes as living systems rather than isolated facts, and it made his research especially influential for later environmental science.
He died in Morges in 1912. Today he is still remembered not only for his scientific range, but for the way he turned patient observation of one lake into ideas that reached far beyond it.