David R SamsonDAVID R. SAMSON is an associate professor of Biological Anthropology at the University of Toronto. An interdisciplinary scholar investigating major behavioural and physiological transitions in human evolution, he has worked with a range of primate spcies 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, CBC, NPR and National Geographic. He is the author of Our Tribal Future. Read More Read Less