Christopher Van TilburgChristopher Van Tilburg, M.D. is editor for Wilderness Medicine magazine and is a regular contributor to National Geographic Adventure, Backcountry, Columbia Gorge, among others. He is an emergency room and ski resot physician, and a member of the Hood River Crag Rats, the oldest mountain rescue team in the U.S. He has written several books on the outdoors, and lives in Hood River, Oregon with his daughters. Read More Read Less