Robin Dunbar

Robin Dunbar

Robin Ian MacDonald Dunbar (born June 28, 1947) is a British anthropologist and evolutionary psychologist and a specialist in primate behaviour. He is currently Professor of Evolutionary Psychology and head of the Social and Evolutionary Neuroscience Research Group in the Department of Experimental Psychology at the University of Oxford. From 2007-2012, he was Professor of Evolutionary Anthropology and the Director of the Institute of Cognitive and Evolutionary Anthropology at the University of Oxford and the Co-director of the British Academy Centenary Research Project. He is best known for formulating Dunbar's number, roughly 150, a measurement of the "cognitive limit to the number of individuals with whom any one person can maintain stable relationships".