July 1963 Issue [Article] The apish origins of human tension Download PDF Adjust Share The case of the amiable chimps and the nervous baboons by John E. Pfeiffer, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Anthropology Baboons Behavior Chimpanzees Human evolution Individuality Irven DeVore Jane Goodall Kenya Research S.L. (Sherwood Larned) Washburn Social structure Stress (Physiology) More from John E. Pfeiffer The story of plasma Blood transfusion by remote control Germ-killers from the earth The story of gramicidin Sulfanilamide The story of a great medical discovery Adjust Share