Travis Rayne Pickering is a Professor of Anthropology at the University of Wisconsin-Madison and also directs the Swartkrans Paleoanthropology Research Project. Since 1989, he has conducted fieldwork at various paleoanthropological sites in Kenya, Tanzania, Ethiopia and South Africa, as well as laboratory, zoo and field research on chimpanzee dietary behaviors and material culture. 

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Jason L. Heaton is an Assistant Professor of Biology at Birmingham-Southern College (Alabama, USA). He is a broadly trained paleoanthropologist with interests in anatomy, taxonomy and behavior of primates and fossil hominins. His projects have included studies of chimpanzee culture, technical skill in flintknapping and primate (and hominin) anatomy. Jason’s research has focused on sites within the ‘Cradle of Humankind’, near Johannesburg, South Africa, including Drimolen and Sterkfontein. Since 2005, he has served as the primate paleontologist for the Swartkrans Paleoanthropological Research Project. Photo Credit: Christina Rose