Jesse L. Greenstein
Astronomer
1909 – 2002
Who was Jesse L. Greenstein?
Jesse Leonard Greenstein was an American astronomer. His parents were Maurice G. and Leah Feingold.
He earned a Ph.D, with thesis advisor Donald H. Menzel, from Harvard University in 1937, having started there at age 16. Before leaving Harvard, Greenstein was involved in a project with Fred Lawrence Whipple to explain Karl Jansky's discovery of radio waves from the Milky Way and to propose a source. He began his professional career at Yerkes Observatory under Otto Struve and later went to Caltech. With Louis G. Henyey he invented a new spectrograph and a wide-field camera. He directed the Caltech astronomy program until 1972 and later did classified work on military reconnaissance satellites.
With Leverett Davis, Jr, he demonstrated in 1949 that the magnetic field in our galaxy is aligned with the spiral arms. His theoretical work with Davis was based on the conclusion just reached by William A. Hiltner that the recently detected polarization of starlight was due to scattering off interstellar dust grains aligned by a magnetic field.
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- Born
- Oct 15, 1909
New York City - Also known as
- Jesse Greenstein
- Nationality
- United States of America
- Profession
- Education
- Harvard University
- Died
- Oct 21, 2002
Submitted
on July 23, 2013
Citation
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