French naturalist and zoologist (1769-1832) who is sometimes referred to as the 'founding father of paleontology.' A major figure in natural sciences research in the early 19th century, he was instrumental in establishing the fields of comparative anatomy and paleontology through his work in comparing living animals with fossils. ALS in French, signed "G. Cuvier," three pages on two adjoining sheets, 6.5 x 8.5, August 21, 1806. Untranslated handwritten letter to M. Boigeol at Stuttgart. In fine condition, with seal-related paper loss to last page (affecting a few words of text).
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