Abbot Becomes Director of SAO

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Charles Greeley Abbot is made Director of the Smithsonian Astrophysical Observatory. Abbot joined the observatory as an aid in 1895, and had served as acting director of SAO since July 1, 1906. He replaced Samuel P. Langley, the founding director.


  • Abbot, C. G (Charles Greeley) b. 1872
  • Smithsonian Astrophysical Observatory


Chronology of Smithsonian History


  • Annual Report for the Smithsonian Institution for the Year 1907. Washington: Government Printing Office, 1908, p. 76.
  • Bessie Zaban Jones, Lighthouse of the Skies; the Smithsonian Astrophysical Observatory: background and history, 1946-1955, Washington, D.C.: Smithsonian Institution, 1965, pp. 196-201.

Contact information

Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520,


March 1, 1907


  • Observatories
  • Astrophysics
  • Appointments
  • Directors
  • Secretaries
  • Astronomy

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