Extreme climber Dean Potter, pushed the boundaries of sports like wingsuit BASE jumping and solo climbing, ascending walls over a thousand feet high with only a parachute for safety. Potter and Graham Hunt died in a BASE jumping accident in Yosemite National Park over the weekend.
Here are six pictures from a career filled with high-flying "firsts." (Read about "How Dean Potter Reinvented Climbing, Jumping, Flying.")
Andrew Bisharat contributed reporting.