NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Jean-Baptiste Lamarck (1744-1829), French naturalist. Lamarck proposed early ideas on evolution and the variation of species in his book 'Zoological Philosophy' (1809). His theory of evolution was based on the idea that acquired characteristics are inherited. His ideas were largely abandoned after the work of Darwin and Mendel. He was the son of a minor aristocrat, and his formal title was Chevalier de Lamarck (given here). He was appointed Professor of Botany at the Jardin des Plantes in 1788.
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