Baumgartner is most well-known for breaking the sound barrier with his body during a freefall from the stratosphere in 2012.

Felix Baumgartner, the fearless extreme sportsman behind many legendary stunts, has died. He was 56. According to the Associated Press, Baumgartner died in a paragliding accident in Italy on Thursday. Local officials said Baumgartner crashed into the side of a hotel pool, according to the AP.