STEPHEN TRIMBLE was a park ranger at Arches and Capitol Reef national parks in his twenties and has since published more than 20 books. He received the Sierra Club's Ansel Adams Award for photography and conservation and a Wallace Stegner Centennial Fellowship at the University of Utah Tanner Humanities Center. In 1995, Trimble co–compiled with Terry Tempest Williams the landmark book of advocacy, Testimony: Writers of the West Speak on Behalf of Utah Wilderness—the model for Red Rock Testimony. He teaches writing in the University of Utah Honors College and makes his home in Salt Lake City and in Torrey, Utah.