Ethan GalloglyEthan Gallogly, PhD has been a leader in the Sierra Club, the Cal Hiking and Outdoors Society (CHAOS) at UC Berkeley, and the Outdoors Club of Southern California. His boots have covered countless miles, including the John Muir Trail, the High SierraTrail, the Oregon Section of the Pacific Crest Trail, the Tahoe-Yosemite Trail, and the Theodore Solomons Trail. He was a reviewer for the Wilderness Press guides: Sierra North, Sierra South, and Yosemite National Park and has read nearly every book on the history of the Sierra Nevada. Read More Read Less