This image was taken by Ruel P. Tolman, former Director of Smithsonian National Collection of Fine Arts and is included in a scrapbook of photographs of Smithsonian staff, grounds and buildings, exhibitions, and Washington, D.C. scenes (Section J).
See Negative Number SIA2011-1300 for an additional image of George Biddle's mural on the Department of Justice Building.
Photograph of George Biddle's mural in the Justice Department Building, and the crowd gathered around the building. Biddle was an American artist who worked on the Federal Art project. The mural in the top left of the photograph appears to be his mural, Sweatshop. The scrapbook has an arrow pointing to the upper left corner of the image to point out Biddle's painting.