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Vincent Sarich : ウィキペディア英語版 | Vincent Sarich
Vincent Matthew Sarich (December 13, 1934October 27, 2012) was an American Professor Emeritus in anthropology at UC Berkeley. ==Early life and education== Born in Chicago, he received a bachelor of science in chemistry from Illinois Institute of Technology and his masters and doctorate in anthropology from University of California, Berkeley, where he was supervised by Sherwood Washburn. He was a member of the Department of Anthropology at Stanford from 1967 to 1981, and taught at UC Berkeley from 1966 through 1994. As a doctoral student, and along with his PhD supervisor Allan Wilson, Sarich measured the strength of immunological cross-reactions of blood serum albumin between pairs of creatures, including humans and African apes (chimpanzees and gorillas). The strength of the reaction could be expressed numerically as an Immunological Distance, which was in turn proportional to the number of amino acid differences between homologous proteins in different species. By constructing a calibration curve of the I.D. of species' pairs with known divergence times in the fossil record, the data could be used as a molecular clock to estimate the times of divergence of pairs with poorer or unknown fossil records.
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