Peter H. Kahn, Jr., is a Professor in the Department of Psychology and School of Environmental and Forest Sciences at the University of Washington, author of Technological Nature (MIT Press), and Editor-in-Chief of the Journal Ecopsychology. He is coauthor (Patricial H. Hasbach) of The Rediscovery of the Wild (MIT Press).

Stephen R. Kellert was Tweedy Ordway Professor Emeritus of Social Ecology at Yale University's School of Forestry and Environmental Studies. He was the author of a number of books, including Building for Life: Designing and Understanding the Human-Nature Connection, and the coeditor of Children and Nature: Psychological, Sociocultural, and Evolutionary Foundations (MIT Press).