Tommy Caldwell (Penguin Randomhouse)
Rock Climber
Tommy Caldwell (born August 11, 1978) is an American rock climber. He is accomplished in several types of climbing, including sport climbing, hard traditional climbing, big-wall speed climbing and big-wall free climbing. He made the first ascents of some of the United States' hardest sport routes (as of 2008) including Kryptonite (5.14c/d) and Flex Luthor (a possible 5.15a) at the Fortress of Solitude, Colorado. In January 2015, Caldwell and Kevin Jorgeson completed the first-ever free climb of the Dawn Wall of El Capitan in Yosemite National Park.