David R SamsonDAVID R. SAMSON is an associate professor of Biological Anthropology at the University of Toronto. An interdisciplinary scholar investigating major behavioral and physiological transitions in human evolution, he has worked with a range of primate speies and studied sleep in different types of human societies. Samson's research has been internationally profiled in venues such as BBC, Time, the New York Times, The Smithsonian, CBC, NPR, and National Geographic. He is the author of Our Tribal Future. In his spare time, Samson is a practitioner of a medieval martial art in the Society of Creative Anachronism. Read More Read Less