Hugh Herr (born October 25, 1964) is an American rock climber, engineer, and biophysicist.
The youngest of five siblings of a Mennonite family from Lancaster, Pennsylvania, Hugh Herr was a prodigy rock climber: by age 8, he had scaled the face of the Mount Temple in the Canadian Rockies, and by 17 he was acknowledged to be one of the best climbers in the United States.
In January 1982, after having ascended a difficult technical ice route in Huntington Ravine on Mount Washington in New Hampshire, Herr and fellow climber Jeff Batzer were caught in a blizzard and became disoriented, finally descending into the Great Gulf where they passed three nights in degree temperatures. By the time they were rescued, the climbers had severe frostbite. Both of Herr's legs had to be amputated below the knees; Batzer lost his lower left leg, the toes on his right foot, and the thumb and fingers on his right hand. During the rescue attempt, volunteer Albert Dow was killed by an a