Erwin Hahn
American physicist
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Erwin Louis Hahn was an American physicist, best known for his work on nuclear magnetic resonance. In 1950 he discovered the spin echo. Wikipedia
Born: June 9, 1921, Sharon, PA
Died: September 20, 2016 (age 95 years), Berkeley, CA
Awards: Oliver E. Buckley Prize (1971) and Wolf Prize in Physics (1983–1984)