Marston Bates (1906-1974) was an American zoologist. His studies on mosquitoes led to the understanding of the causes of yellow fever in South America. He is the author of numerous science books including The Land and Wildlife of South America and The Nature of Natural History. Philip S. Humphrey is Curator Emeritus and former Director of the Natural History Museum at the University of Kansas. Lionel Tiger is Charles Darwin Professor of Anthropology at Rutgers University. He is the author of The Decline of Males, Optimism, The Pursuit of Pleasure, China's Food, The Manufacture of Evil, Men in Groups, and with Robin Fox, The Imperial Animal. He directs the anthropology publishing effort at Transaction Publishers.