Cooper, Leon N(eil) biographical name
(born Feb. 28, 1930, New York, N.Y., U.S.) U.S. physicist. He taught at Ohio State University (1954–58) and Brown University (from 1958). For his role in developing the BCS theory of superconductivity, he shared the 1972 Nobel Prize for Physics with John Bardeen and J. Robert Schrieffer (b. 1931). His principal contribution to the theory was his discovery of Cooper electron pairs (1956), electrons that repel each other under normal conditions but are attracted to each other in superconductors.
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