Thomas Lowe Fleischner, a naturalist and conservation biologist, is a leading voice advocating for the importance and rejuvenation of natural history. He is the author of numerous articles and professional papers, and author or editor of four books, including The Way of Natural History, and Nature, Love, Medicine: Essays On Wildness and Wellness. He was the founding director of the Natural History Institute, Faculty Emeritus at Prescott College, and elected Fellow of the Linnean Society of London. He has served as Chair of the Natural History Section of the Ecological Society of America, on the Board of Governors of the Society for Conservation Biology, and as President of its Colorado Plateau Chapter. Recently, he has led and coordinated efforts to recognize the high biodiversity values of the Mogollon Highlands Ecoregion of the American Southwest. He lives in Prescott, Arizona.