Louis, MO. He received an A.B. from Stanford University in 1964 and a Ph.D. from Columbia University in 1972. His research focuses on the Washu Indians of Nevada, the Machiguenga Indians in Peru and the Northern Tamil Nadu area in India. He has focused on five fields of study: human ecology; the old medical anthropology; southern Asian regional interests (especially southeastern India); food and nutritional anthropology; and analyses of the complexities of U.S. American cultures