David Ehrenfeld is Professor of Biology in the Department of Ecology, Evolution, and Natural Resources, School of Environmental and Biological Sciences, Rutgers University. He is author of seven books, beginning with the pioneering textbook Biological Conservation (Holt, Rinehart & Winston, 1970), and including The Arrogance of Humanism (Oxford University Press, 1978, 1981), Becoming Good Ancestors: How We Balance Nature, Community, and Technology (Oxford University Press, 2009), and, with Carol Mack, a science fiction novel, The Chameleon Variant (Dial Press, 1980).