Mark Hudon is a Yosemite legend whose work in the late 1970s and early 1980s helped push big wall climbing into a new free climbing era. Often partnered with the equally groundbreaking Max Jones, Mark became known for his bold, ground-up style—blending meticulous preparation with a willingness to test the limits of free climbing on terrain that had previously only been aided. Few climbers have shaped as many eras of the sport as Mark Hudon. Mark was born three years before El Capitan was fir...