Clifford Evans and Betty Meggers, by Sandved, Kjell Bloch 1922-, 1975, Smithsonian Archives - History Div, With the Department of Anthropology at the National Museum of Natural History, Betty J. Meggers and Clifford Evans, anthropologists, were a husband and wife team, who specialized in Amazonian anthropology. A large print-out is on the table and a map of South America hangs on the wall..