Étienne Geoffroy Saint-Hilaire
1772 – 1844 · aged 72
French naturalist who established the principle of "unity of composition" (1772-1844)
- Born
- 15 Apr 1772 · Étampes
- Died
- 19 Jun 1844 · Paris
Life timeline
Their life from birth to death. On the timeline, world events of the time are shown faintly.
- 15 Apr 1772BornBorn in Étampes
- 1815RoleDéputé de Seine-et-Oise
- 1833RolePresident of the French Academy of Sciences
- 19 Jun 1844DiedDied in Paris
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Meanwhile in the world
Major world events during their lifetime (1772 – 1844).
- 1789 – 1799French Revolution
- 1812 – 1815War of 1812
- 1814 – 1815Congress of Vienna
Biography
Étienne Geoffroy Saint-Hilaire (French pronunciation: [etjɛn ʒɔfʁwa sɛ̃t‿ilɛʁ]; 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. Geoffroy's scientific views had a transcendental flavor (unlike Lamarck's materialistic views) and were similar to those of German morphologists like Lorenz Oken. He believed in the underlying unity of organismal design, and the possibility of the transmutation of species in time, amassing evidence for his claims through research in comparative anatomy, paleontology, and embryology. He is considered as a predecessor of the evo-devo evolutionary concept.
Text from the Wikipedia article Étienne Geoffroy Saint-Hilaire, CC BY-SA 4.0
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