~ 1807 - 1873
Louis Agassiz was a Swiss-American naturalist and geologist, born on May 28, 1807, in Motier, Switzerland. He is best known for his contributions to the study of glaciology and the advancement of marine biology, particularly his work on the classification of fish and the establishment of the American Museum of Natural History. Agassiz was an influential figure in the 19th century scientific community and a proponent of the concept of ice ages.