Paul, Wolfgang, 1913–93, German physicist, Ph.D. Technical Univ., Berlin, 1939. A professor at the Univ. of Bonn since 1952, Paul worked with Hans Dehmelt to develop an ion trap technique (known as the Paul trap), which made possible the detailed study of subatomic particles. For this invention, Dehmelt and Paul shared the 1989 Nobel Prize in Physics with Norman F. Ramsey.
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