Robert Michael Pyle is a lepidopterist and a professional writer who has published twelve books and hundreds of papers, essays, stories and poems. He has a Ph.D. from the School of Forestry and Environmental Studies at Yale University. He founded the Xerces Society for Invertebrate Conservation in 1974. His acclaimed 1987 book Wintergreen describing the devastation caused by unrestrained logging in Washington's Willapa Hills near his adopted home was the winner of the 1987 John Burroughs Medal for Distinguished Nature Writing. His 1995 book Where Bigfoot Walks: Crossing the Dark Divide was the subject of a Guggenheim Fellowship.