Sketch of Professor S. P. Langley

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A biographical sketch of Professor Samuel Pierpont Langley, astrophysicist at the Allegheny Observatory at that time, who served as the third Secretary of the Smithsonian Institution from 1887 to 1906, as well as first director of the Smithsonian Astrophysical Observatory.


  • Langley, S. P (Samuel Pierpont) 1834-1906
  • Astrophysical Observatory
  • Smithsonian Astrophysical Observatory
  • Allegheny Observatory


Smithsonian Institution History Bibliography

Contained within

Popular Science Monthly Vol. 27 (Contained within)

Contact information

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




  • Secretariats
  • Astrophysics
  • Secretaries
  • Astronomy

Physical description

pp. 401-409

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