Frans de Waal Quotes
Chimps don't have language. Humans actively instruct others about how things should be done. Chimpanzees probably pick up cultural traditions by observation.
de Waal, Frans. The Ape and the Sushi Master: Cultural Reflections of a Primatologist. Basic Books, 2001.
Franciscus Bernardus Maria "Frans" de Waal is a Dutch primatologist and ethologist. He is the Charles Howard Candler Professor of Primate Behavior in the Department of Psychology at Emory University in Atlanta, Georgia, director of the Living Links Center at the Yerkes National Primate Research Center at Emory, and author of numerous books including Chimpanzee Politics (1982) and Our Inner Ape (2005). His research centers on primate social behavior, including conflict resolution, cooperation, inequity aversion, and food-sharing. He is a member of the United States National Academy of Sciences and the Royal Netherlands Academy of Arts and Sciences.