Robert Vivian Pound
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Robert Vivian Pound (May 16, 1919 – April 12, 2010) was a Canadian-American physicist who helped discover nuclear magnetic resonance (NMR) and who devised the famous
Pound–Rebka experiment The Pound–Rebka experiment was an experiment in which gamma rays were emitted from the top of a tower and measured by a receiver at the bottom of the tower. The purpose of the experiment was to test Albert Einstein's theory of general relativit ...
supporting general relativity. He became a tenured professor of physics at Harvard without ever having received a graduate degree. Pound was born in Ridgeway, Ontario. The discovery of NMR won the Nobel Prize in physics in 1952, though, due to the limitation on the number of recipients and the simultaneous achievements of Felix Bloch's group, only two recipients were designated. In his address to recipient Ed Purcell, Professor Hulthén nevertheless celebrated the "very interesting experiment you performed together with Dr. Pound", making Pound one of only two collaborators explicitly named in the speech. Pound received the National Medal of Science in 1990 for his lifetime contributions to the field of physics. Pound was the Mallinckrodt Professor of Physics emeritus at Harvard University. He was a member of the class of 1941 at the University at Buffalo. Pound's name is also attached to the
Pound–Drever–Hall technique The Pound–Drever–Hall (PDH) technique is a widely used and powerful approach for stabilizing the frequency of light emitted by a laser by means of locking to a stable cavity. The PDH technique has a broad range of applications including interf ...
used to lock the frequency of a laser on a stable
optical cavity An optical cavity, resonating cavity or optical resonator is an arrangement of mirrors or other optical elements that forms a cavity resonator for light waves. Optical cavities are a major component of lasers, surrounding the gain medium and provi ...
.


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* American physicists American nuclear physicists National Medal of Science laureates Harvard University faculty 1919 births 2010 deaths Members of the United States National Academy of Sciences Fellows of the American Academy of Arts and Sciences Members of the French Academy of Sciences Canadian emigrants to the United States {{US-physicist-stub