Pearson, Karl, 1857–1936, English scientist. He studied law, taught geometry, and applied mathematics and mechanics, and in 1911 became professor of eugenics at the Univ. of London and director of the eugenics laboratory. A disciple of Francis Galton, he applied statistical methods to the study of biological problems (especially evolution and heredity), a science he called biometrics. He founded and edited Biometrika and was author of many works including The Grammar of Science (1892), Chances of Death (2 vol., 1897), and a biography of Francis Galton (3 vol., 1914–30).
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