Description: [caption id="" align="aligncenter" width="400" caption="Portrait of Albert Einstein and Others (1879-1955), Physicist, by unidentified photographer, 1931, Smithsonian Institution Libraries."][/caption] This post is second in a series that highlights some of our most popular photos on the Flickr Commons. This photo of Einstein pictured with a group of intellectuals is one of
Description: The Smithsonian Institution Building, or Castle, was designed by architect James Renwick, Jr. Construction began in 1847 and was finished in 1855. The statue in front of the Castle, which is visible in many of these postcards, is of Joseph Henry, who was the first Secretary of the Smithsonian. The postcards in this gallery provide exterior views of the Castle.
Description: Dr. Margaret S. Collins became a renowned expert in multiple areas of termite zoololgy during her almost 50-year career as a scientist and professor.