Frans de Waal is a Dutch primatologist and ethologist known for his research on the social behavior of primates. He has spent decades studying chimpanzees and bonobos, focusing on their emotional and social intelligence. His work has contributed significantly to our understanding of animal behavior and the evolutionary roots of human morality. De Waal is also a prolific author, having written several influential books, including "Our Inner Ape" and "The Age of Empathy." His research emphasizes the importance of empathy and cooperation in both human and animal societies, challenging traditional views of human exceptionalism in the animal kingdom.