William Henry Holmes and Art Museum Staff, 1929, by Unknown, 1929, Smithsonian Archives - History Div, National Gallery of Art, now the National Museum of American Art, staff views the Ranger Exhibit in the Natural History Building, December 10, 1929. Standing behind wooden bench, foreground, is William Henry Holmes, Director, and Louise A. Rosenbusch, Recorder. Helen H. Hogan, clerk, is seated and Glenn L. Martin, Gallery attendant, sits at desk, far right..