Volker Sommer is Professor of Evolutionary Anthropology at UCL. His research focuses on the evolution of social behaviour, cognition, biodiversity conservation and animal rights. He conducts long-term field studies on monkeys and apes in the jungles of Asia and Africa. Sommer is on the scientific board of the Giordano-Bruno-Foundation, a German-based think-tank for the promotion of secularism and evolutionary humanism. Sommer has published widely on patterns of sexual behaviour, including the book “Homosexual Behaviour in Animals” (Cambridge University Press).
The Seasonality Thermostat: Female Reproductive Synchrony And Male Behavior In Monkeys, Neanderthals, And Modern Humans