Wilson, David Sloan: - Editor David Sloan Wilson, PhD, is president of The Evolution Institute and a SUNY distinguished professor of biology and anthropology at Binghamton University. He applies evolutionary theory to all aspects of humanity in addition to the biological world. His books include Darwin's Cathedral, Evolution for Everyone, The Neighborhood Project, and Does Altruism Exist? ?Editor Steven C. Hayes, PhD, is foundation professor in the department of psychology at the University of Nevada, Reno. An author of forty-four books and over 600 scientific articles, his career has focused on an analysis of the nature of human language and cognition, and the application of this to the understanding and alleviation of human suffering and the promotion of human prosperity. He has received several awards, including the Impact of Science on Application Award from the Society for the Advancement of Behavior Analysis, and the Lifetime Achievement Award from the Association for Behavioral and Cognitive Therapies (ABCT).