Aron Ralston
Aron Ralston is an American outdoorsman, engineer and motivational speaker. He survived a canyoneering accident, during which he amputated his own right forearm with a dull multi-tool in order dislodged himself from a boulder, underneath which he had been trapped for five days and seven hours. After he freed himself, he had to rappel down a 65 foot sheer cliff... read full bio