Polykarp Kusch
| Polykarp Kusch | |
|---|---|
 |
|
| Born |
January 26, 1911 Blankenburg, District of Blankenburg, Duchy of Brunswick, German Empire |
| Died | March 20, 1993 (aged 82) Dallas, Texas, United States |
| Institutions |
University of Texas at Dallas Columbia University |
| Alma mater | University of Illinois, Case Western Reserve University |
| Doctoral advisor | Francis Wheeler Loomis |
| Notable students | Gordon Gould |
| Known for | Measured the magnetic moment of the electron |
| Notable awards | Nobel Prize in Physics (1955) |
Polykarp Kusch (January 26, 1911 – March 20, 1993) was a German-American physicist. In 1955, the Nobel Committee gave a divided Nobel Prize for Physics, with one half to going to Kusch for his accurate determination that the magnetic moment of the electron was greater than its theoretical value, thus leading to reconsideration of—and innovations in—quantum electrodynamics. (The other 1955 physics laureate was Willis Eugene Lamb, who won for his work on the spectrum of hydrogen.)
Kusch received his bachelor's degree in physics in 1931 from Case Western Reserve University. From the University of Illinois, he received his master's degree in 1933 and his Ph.D. in 1936. He spent much of his career as a professor at Columbia University in New York City, and served as the university's provost for several years before departing for the newly created University of Texas at Dallas. He worked on molecular beam resonance studies under I. I. Rabi, then discovered the electron anomalous magnet moment. Many measurements of magnetic moments and hyperfine structure followed. He expanded into chemical physics and continued to publish research on molecular beams. During his tenure at Columbia, he was the doctoral supervisor for Gordon Gould, the inventor of the laser.
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