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  1. Isidore Geoffroy Saint-Hilaire (16 December 1805 – 10 November 1861) was a French zoologist and an authority on deviation from normal structure. In 1854 he coined the term éthologie .

  2. Isidore Geoffroy Saint-Hilaire (born Dec. 16, 1805, Paris, Fr.—died Nov. 10, 1861, Paris) was a French zoologist noted for his work on anatomical abnormalities in humans and lower animals.

    • The Editors of Encyclopaedia Britannica
  3. 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.

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  5. Isidore Geoffroy Saint-Hilaire, né en 1805 à Paris, 12 e, et mort en 1861 à Paris, 5 e, est un zoologiste français.

  6. May 11, 2018 · Geoffroy Saint-Hilaire, who died in 1861, did not comment extensively on Charles Darwin. Yet posthumous sources make clear his reservations about Darwin’s evolutionary theory, and like so many others he could not accept natural selection as a sufficient engine of biological diversity.

  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. Dec 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.

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