David Quammen is an award-winning American science, nature, and travel writer. He authored the Natural Acts collumn for Outside Magazine for 15 years. His articles have also appeared in National Geographic, Harper's, Rolling Stone, The New York Times Book Review, and other periodicals. He has authored 15 books. Quammen's Spillover was nominated for the 2013. PEN/E.O. Wilson Literary Science Writing Award. Quammen lives in Bozeman, Montana.