50.0 MB (3.2 MB compressed)
3413 x 5120 pixels
29.0 x 43.4 cm ⏐ 11.4 x 17.1 in (300dpi)
PAUL D STEWART / SCIENCE PHOTO LIBRARY PAUL D STEWART / SCIENCE PHOTO LIBRARY
Jean Baptiste Lamarck (1 August 1744 - 18 December 1829) portrait when old and blind. A later hand coloured frontis engraving by Lizars from his Cabinet Cyclopaedia series. Lamarck was a french pre-Darwinian advocate of evolution (transmutation) and an influential invertebrate taxonomist. Lamarck believed that use and disuse of organs could produce heritable changes. His role as a pioneer in recognising evolution as a process is acknowledged, but his proposed evolutionary mechanisms widely lampooned. Recent developments in epigenetics have made some of his suggestions seem less outlandish. Lamarck also made lasting contributions to invertebrate classification, defining many groups. Controversial in his own lifetime, he made an enemy of the influential Baron Cuvier. Lamarck reputedly died bankrupt, buried in a pauper's grave.
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