Smithsonian Lectures in 1955

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The twenty-second Arthur Lecture is delivered in the auditorium of the National Museum of Natural History on April 27, 1955, by Sir Harold Spencer Jones, Astronomer Royal of Great Britain on the subject, "Solar Activity and Its Terrestrial Effects." The text of the lecture was published in the appendix to the 1955 Annual Report. Dr. Sumner McKnight Crosby, professor of history of art at Yale University and curator of medieval art at the Yale Art Gallery presented a lecture on "Excavations in the Abbey Church at St.-Denis" on February 3, 1955 in the Freer Gallery auditorium. The lecture was illustrated with a color film of the church, excavation techniques and the reconstructions of the earlier buildings, and was sponsored by the Smithsonian and the Archaeological Institute of America.


  • Jones, H. Spencer (Harold Spencer) 1890-
  • Crosby, Sumner McK (Sumner McKnight) 1909-
  • Arthur, James
  • National Museum of Natural History (U.S.)
  • Freer Gallery of Art
  • Archaeological Institute of America
  • Eglise abbatiale de Saint-Denis (St. Denis, France)
  • Yale Art Gallery
  • Arthur Lecture
  • Royal Greenwich Observatory
  • Yale University


Chronology of Smithsonian History


Annual Report of the Smithsonian Institution, 1955. Washington, D.C.: U. S. Government Printing Office, 1956, p. 9.

Contact information

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




  • Archaeology
  • Astrophysics
  • Lectures and lecturing
  • Solar energy
  • Museums
  • Solar radiation
  • Church buildings
  • Astronomy
  • Solar energy--Research
  • Museum publications

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