Thomas R. Trautmann is Professor of History and Anthropology at the University of Michigan and author of Lewis Henry Morgan and the Invention of Kinship (California, 1987) and Drav...ver maisThomas R. Trautmann is Professor of History and Anthropology at the University of Michigan and author of Lewis Henry Morgan and the Invention of Kinship (California, 1987) and Dravidian Kinship (1982).ver menos