![Dr. Charles G. Abbot with Book, by Unknown, Smithsonian Archives - History Div, 42563 or MAH-42563. Dr. Charles G. Abbot with Book, by Unknown, Smithsonian Archives - History Div, 42563 or MAH-42563.](https://ids.si.edu/ids/iiif/SIA-MAH-42563/full/300,/0/default.jpg)
Astrophysicist and Solar Researcher
![Secretary Charles Greeley Abbot, by Unknown, 1890s, Smithsonian Archives - History Div, 17891 or MAH-17891. Secretary Charles Greeley Abbot](https://ids.si.edu/ids/iiif/SIA-MAH-17891/full/180,/0/default.jpg)
Fifth Smithsonian Secretary
![Secretary Charles G. Abbot Reading the Pyrheliometer, c. 1940, Smithsonian Archives - History Div, SIA2007-0180. Secretary Charles G. Abbot Reading the Pyrheliometer](https://ids.si.edu/ids/iiif/SIA-SIA2007-0180-000001/full/180,/0/default.jpg)
A Man for All Seasons
![Secretary Charles G. Abbot Playing Tennis, by Unknown, Smithsonian Archives - History Div, 15277 or MAH-15277. Secretary Charles G. Abbot Playing Tennis](https://ids.si.edu/ids/iiif/SIA-MAH-15277/full/180,/0/default.jpg)
78 Years of Smithsonian Service
![Secretary Abbot with Printouts, by Unknown, c. 1968, Smithsonian Archives - History Div, 94-4039. Secretary Abbot with Printouts, by Unknown, c. 1968, Smithsonian Archives - History Div, 94-4039.](https://ids.si.edu/ids/iiif/SIA-94-4039/full/180,/0/default.jpg)
Further Exploration
Related Collections
- Records from the Smithsonian Institution Archives
- Additional Records About Charles Greeley Abbot Across the Smithsonian
- Oral history interviews with Charles Greeley Abbot
- Records about the history of the Smithsonian Astrophysical Observatory