Installation of National Museum of Natural History South American Exhibit, by Connolly, Vincent P, 1975, Smithsonian Archives - History Div, Last-minute adjustments being made by staff members before the opening of the new exhibit, "South America: Continent and Culture," in the National Museum of Natural History (NMNH). From the left: Susan Wallace, Dr. Geoffrey Conrad, Tom Thill, and Steven Makovenyi..