Harlow Shapley

Harlow Shapley
BornNovember 2, 1885
DiedOctober 20, 1972(1972-10-20) (aged 86)
Alma materUniversity of Missouri, Princeton University
Known forDetermining correct position of Sun within Milky Way Galaxy; head of Harvard College Observatory (1921–1952)
SpouseMartha Betz Shapley
Children5, including
Awards
Scientific career
FieldsAstronomy
Doctoral advisorHenry Norris Russell
Doctoral studentsCecilia Payne-Gaposchkin, Carl Seyfert
Other notable studentsGeorges Lemaître

Harlow Shapley (November 2, 1885 – October 20, 1972) was an American scientist, head of the Harvard College Observatory (1921–1952), and political activist during the latter New Deal and Fair Deal.[1][2]

Shapley used Cepheid variable stars to estimate the size of the Milky Way Galaxy and the Sun's position within it.[3] In 1953 he proposed his "liquid water belt" theory, a concept now known as a habitable zone.[4]

  1. ^ Goldberg, Leo (January 1973). "Obituary: Harlow Shapley". Physics Today. 26 (1): 107–108. Bibcode:1973PhT....26a.107G. doi:10.1063/1.3127920.
  2. ^ "Dr. Harlow Shapley Dies at 86; Dean of American Astronomers". The New York Times. October 21, 1972. Retrieved January 15, 2014.
  3. ^ Bart J. Bok. Harlow Shapely 1885–1972 A Biographical Memoir. National Academy of Sciences
  4. ^ Richard J. Hugget, Geoecology: An Evolutionary Approach. p. 10

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