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Étienne Geoffroy Saint-Hilaire (15 April 1772 – 19 June 1844) was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theories.
Apr 11, 2024 · Étienne Geoffroy Saint-Hilaire was a French naturalist who established the principle of “unity of composition,” postulating a single consistent structural plan basic to all animals as a major tenet of comparative anatomy, and who founded teratology, the study of animal malformation.
- The Editors of Encyclopaedia Britannica
Aug 5, 2013 · Learn about the life and work of Geoffroy, a pioneer of experimental embryology and evolutionary theory. He developed the concept of the unity of plan and challenged Cuvier's typology of animals.
Étienne Geoffroy Saint-Hilaire est né le 15 avril 1772 rue de la Corderie à Étampes et il est baptisé le 15 avril 1772 en l'église Saint-Basile d’ Étampes 1. Saint-Hilaire est le nom d'un village près d' Étampes où son père avait fait l'acquisition d'une maison.
Dec 1, 2021 · Étienne Geoffroy Saint-Hilaire was the second major founder of comparative anatomy after George Cuvier (August 23, 1769–May 13, 1832). After the French Revolution, in 1793, together with Jean-Baptiste Lamarck, Geoffroy Saint-Hilaire reorganized the Jardin du Roi in the new Muséum national de l'histoire naturelle , a model of modern ...
- Giuseppe Iurato, Abir U. Igamberdiev
- 2021
Learn about the life and work of Étienne Geoffroy St. Hilaire, a pioneer of comparative anatomy and a proponent of the unity of type of vertebrates. Discover his debates with Cuvier, his influence on Darwin, and his legacy in biology.
Etienne Geoffroy Saint-Hilaire. The contribution of Étienne Geoffroy Saint-Hilaire (1772-1844) to evolutionary biology is reviewed in commemoration of his 250th birthday. Geoffroy's views on saltational changes during embryogenesis of animals characterize him as a predecessor of the epigenetic concept of evolution, which is now de ….
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