Lucy is the common name of AL 288-1, the 40% complete Australopithecus afarensis skeleton discovered on November 30, 1974 by the International Afar Research Expedition (IARE; director: Maurice Taieb, co-directors: Donald Johanson and Yves C...
Georges Cuvier was a renowned French naturalist and zoologist considered the founder of comparative anatomy and vertebrate paleontology. He originated a system of zoological classification that comprised four phyla based on differences in s...
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 vie...
Thomas Henry Huxley was one of the first adherents to Darwin's theory of evolution by natural selection, and did more than anyone else to advance its acceptance among scientists and the public alike. As is evident from the letter quoted abo...
Dr. Ferdinand Vandeveer Hayden was an American geologist noted for his pioneering surveying expeditions of the Rocky Mountains in the late 19th century. He was also a physician who served with the Union Army during the Civil War.
In 1871...