Amy E. Clark is a college fellow and lecturer at Harvard University specializing in human behavioral evolution. Her work has been published in Evolutionary Anthropology, Current Anthropology, Journal of Archaeological Method and Theory, Journal of Anthropological Archaeology, and Proceedings of the National Academy of Science.
Joseph A. M. Gingerich is associate professor of anthropology at Ohio University and a research associate at the Smithsonian’s National Museum of Natural History. His most recent work in spatial analyses has been supported by the National Science Foundation and National Geographic. He is the editor of In the Eastern Fluted Point Tradition, volumes 1 and 2.