Jean Louis Rudolphe Agassiz (1807-1873), American- Swiss naturalist and palaeontologist. Agassiz was born and worked in Switzerland until 1846, when h


Jean Louis Rudolphe Agassiz (1807-1873), American- Swiss naturalist and palaeontologist. Agassiz was born and worked in Switzerland until 1846, when he left for the USA. He produced a catalogue of fossil fish from Brazil in 1829, and completed an extensive history of European fish in 1842. In 1843 he wrote a pioneering five-volume work on fossil fish. Outside the field of ichthyology, he was the first to propose the idea of Ice Ages. His research on glaciers led him to conclude that ice sheets advanced and retreated over Europe and North America. He was also a leading critic of Darwin's evolution theories.


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