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  2. He was born in Paris, the son of Étienne Geoffroy Saint-Hilaire. In his earlier years he showed an aptitude for mathematics, but eventually he devoted himself to the study of natural history and of medicine, and in 1824 he was appointed assistant naturalist to his father.

  3. Isidore Geoffroy Saint-Hilaire was a French zoologist noted for his work on anatomical abnormalities in humans and lower animals. In 1824 Geoffroy joined his father at the National Museum of Natural History as an assistant naturalist, and, after taking his M.D. in 1829, he taught zoology from 1830

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  5. Feb 11, 2017 · . Isidore Geoffroy Saint-Hilaire studied anatomy and congenital abnormalities in humans and other animals in nineteenth century France. Under the tutelage of his father, Étienne Geoffroy Saint-Hilaire, Isidore compiled and built on his father's studies of individuals with developmental malformations, then called monstrosities.

  6. May 11, 2018 · Geoffroy Saint-Hilaire, Isidore (b. Paris, France, 16 December 1805; d Paris, 10 November 1861) zoology. The only son of Étienne Geoffroy Saint-Hilaire, Isidore wanted to become a mathematician; but his father saw in him the continuator of his work and engaged him in his laboratory as an aide-naturalise in 1824, when he was only nineteen. In ...

  7. Aug 5, 2013 · Geoffroy's son Isidore Geoffroy Saint-Hilaire continued his father's work and produced a three-volume work, Traité de tératologie (Treatise on Teratology), from 1832 to 1836, which promoted and systematized the science of teratology.

  8. Isidore Geoffroy Saint-Hilaire continued the research of his father Etienne. He established a classification system more elaborate than that of his father, which had limited monstrosity to extreme anomalies.

  9. Dec 16, 2014 · DECEMBER 16, 2014. Isidore Geoffroy Saint-Hilaire, a French zoologist, was born Dec. 16, 1805. Isidore was the son of the noted Darwinian precursor, Etienne Geoffroy Sainte-Hilaire, and he succeeded his father as professor at the Natural History Museum in Paris in 1841.