Marcel Kornfeld is a professor of anthropology and director of the George C. Frison Institute of Archaeology and Anthropology at the University of Wyoming. He is the author of seven monographs, most recently On Shelteras Ledge: Histories, Theories and Methods of Rockshelter Research, and coeditor of Islands on the Plains: Ecological, Social, and Ritual Use of Landscapes (University of Utah Press 2003).