STEPHEN R. KELLERT, a social ecologist at Yale and E.O. Wilson's collaborator, is recognized as the world's foremost authority on human relationships to animals. The New York Times has featured his work in various articles and his work has been recognized by a number of awards including the Distinguished Individual Achievement Award of the Society for Conservation Biology. Kellert is coeditor with E.O. Wilson of The Biophilia Hypothesis and author of Kinship to Mastery, The Value of Life.