John Gookin, PhD, is a life-long educator. He currently manages curriculum and research at NOLS, where he has worked for 33 years. John has been studying backcountry lightning safety for 15 years and is a member of the Lightning Safety Team at the National Weather Service. He lives in Lander, WY. Buck Tilton is a co-founder of the National Outdoor Leadership School's Wilderness Medicine Institute and a winner of the Paul K. Petzoldt Award for Excellence in Wilderness Education. He has written numerous books on the outdoors and is a contributing editor for Backpacker magazine.