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Bardeen honored with stamp


A stamp bearing the likeness of the late physicist John Bardeen will be issued on March 6th 2008 by the United States Postal Service. John Bardeen, the first person to win two Nobel prizes in the same field, was an assistant professor at the University of Minnesota from 1938-1941.

He left Minnesota to act as a civilian physicist at the Naval Ordinance Laboratory in Washington, D.C during World War II. After the war, Bardeen joined Bell Labs where his research focused on electrical conduction in semiconductors and metals, surface properties of semiconductors, theory of superconductivity, and diffusion of atoms in solids. John Bardeen won the Nobel Prize in 1956 with Walter Brattain and William Shockley for their research on semiconductors and their discovery of the transistor effect. He won the Nobel prize again in 1972 with Leon Cooper and John Schrieffer for their jointly developed theory of superconductivity, usually called the BCS-theory.