Blast from the past
In the good old summertime. Loyal B. Aldrich of the Smithsonian Astrophysical Observatory (1908-1955) and Astrophysicist Charles Greeley Abbot (fifth Secretary of the Smithsonian, 1928-1944) playing tennis behind the Smithsonian Institution Building, next to the Smithsonian Astrophysical Observatory in 1922. The National Air Museum Quonset Hut is in the background.
Posted: 25 July 2011
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