Martin Schwarzschild
| Martin Schwarzschild | |
|---|---|
Martin Schwarzschild (1912-1997)
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| Born |
May 31, 1912 Potsdam, Germany |
| Died | April 10, 1997 (aged 84) Langhorne, Pennsylvania, United States |
| Nationality | American |
| Fields |
Physics Astronomy |
| Institutions | Princeton University |
| Alma mater | Institut für Astrophysik Göttingen |
| Known for | Stellar structure and evolution |
| Notable awards | Karl Schwarzschild Medal (1959) Henry Draper Medal (1960) Bruce Medal (1965) Brouwer Award (1992) Balzan Prize (1994) National Medal of Science (1997) Fellow of the Royal Society |
Martin Schwarzschild (May 31, 1912 – April 10, 1997) was a German-born American astrophysicist. He was the son of German physicist Karl Schwarzschild and the nephew of the Swiss astrophysicist Robert Emden.
Schwarzschild was born in Potsdam into a distinguished German Jewish academic family. In line with a request in his father's will, his family moved to Göttingen in 1916. Schwarzschild studied at the University of Göttingen and took his doctoral examination in December 1936. He left Germany in 1936 for Norway and then the United States. Schwarzschild served in the US army intelligence. He was awarded the Legion of Merit and the Bronze Star for his wartime service. After returning to the US, he married fellow astronomer Barbara Cherry. In 1947, Martin Schwarzschild joined his lifelong friend, Lyman Spitzer at Princeton University. Spitzer died 10 days before Schwarzschild.
Schwarzschild's work in the fields of stellar structure and stellar evolution led to improved understanding of pulsating stars, differential solar rotation, post-main sequence evolutionary tracks on the Hertzsprung-Russell diagram (including how stars become red giants), hydrogen shell sources, the helium flash, and the ages of star clusters. With Fred Hoyle, he computed some of the first stellar models to correctly ascend the red giant branch by steadily burning hydrogen in a shell around the core. He and Härm were the first to compute stellar models going through thermal pulses on the asymptotic giant branch and later showed that these models develop convective zones between the helium- and hydrogen-burning shells, which can bring nuclear ashes to the visible surface. Schwarzschild’s 1958 book Structure and Evolution of the Stars taught a generation of astrophysicists how to apply electronic computers to the computation of stellar models.
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