John Middendorf
John Middendorf was born on April 13, 1959. See ranking, bio blurb, and everyone else born that day.
About John Middendorf
John William Middendorf IV (November 18, 1959 – June 21, 2024) was an American big wall climber, mountaineering writer and designer of climbing equipment. In the 1980s, he climbed the hardest walls of Yosemite, including El Capitan and Half Dome, and in 1992 he climbed the largest rock wall in the world, Great Trango Tower. Also in the late 1980s and early 1990s, he pioneered numerous difficult big wall routes in Zion National Park. He was also a renowned portaledge designer and writer.