Louis Agassiz, Swiss-US naturalist

Louis Agassiz, Swiss-US naturalist

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Credit: LIBRARY OF CONGRESS/SCIENCE PHOTO LIBRARY

Caption: Jean Louis Rodolphe Agassiz (1807-1873), Swiss-US naturalist. Louis Agassiz was born in Switzerland. He produced a catalogue of fossil fish from Brazil in 1829, and completed an extensive history of European fish in 1842. He wrote a pioneering five- volume work on fossil fish in 1843. He moved to the USA in 1846, and from his studies there he proposed 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. This photograph, by James Wallace Black (1825-1896), was produced around 1861, as a carte de visite portrait by J.E. Tilton and Company, Boston, USA.

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Keywords: 1800s, 19th century, adult, american, biological, biology, caucasian, european, fossil fish, geological, geologist, geology, glaciers, historical, history, human, ice age, ice ages, ichthyology, jean louis rodolphe agassiz, male, man, monochrome, naturalist, nature, palaeontologist, palaeontology, paleontology, portrait, scientist, sepia, swiss, us, white, zoological, zoology

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