Results for "Astrophysical observatories"
Cecilia Helena Payne Gaposchkin (1900-1979)
Edwin Brant Frost (1866-1935)
Cecilia Helena Payne Gaposchkin (1900-1979)
Cecilia Helena Payne Gaposchkin (1900-1979)
Cecilia Helena Payne Gaposchkin (1900-1979)
- SI History Chronology
Samuel Langley Elected Third Secretary
- Date: November 18, 1887
(left to right): Donald C. Schmalberger and Gerald Maurice Clemance (1908-1974)
- Date: 1965
- Creator: Duncan, Linn
(left to right): Subrahmanyan Chandrasekhar (1910-1995) and Lalitha Doraiswamy Chandrasekhar (1910-1999)
- Date: 1939 May 5, 1939
- Creator: Davis, Watson 1896-1967
Secretary Charles G. Abbot Reading the Pyrheliometer
- Date: c. 1940
- SI History Chronology
Smithsonian Lectures in 1955
- Date: 1955
- Finding Aid
SIA Acc. 15-176, National Air and Space Museum (U.S.) Space History Division, Correspondence, c. 1981-2007
- Date: 1981 1981-2007 c 1981-2007
- Creator: National Air and Space Museum. Space History Division
- Creator: Smithsonian Institution Archives
- SI History Bibliography
Joseph Henry and John Henry LeFroy: A Common 19th Century Vision of Auroral Research
- Date: 1989
- Creator: Silverman, S. M
- Creator: Silverman, S. M
![Edwin Brant Frost (1866-1935), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-1740].](https://ids.si.edu/ids/iiif/SIA-SIA2008-1740/full/250,/0/default.jpg "Edwin Brant Frost (1866-1935), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-1740].")
