Étienne Geoffroy Saint-Hilaire, French zoologist and biologist (born 1772)

Étienne Geoffroy Saint-Hilaire

French naturalist (1772–1844)

Étienne Geoffroy Saint-Hilaire 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 and were…