Bela Karolyi, the larger-than-life coach who led Nadia Comaneci and Mary Lou Retton to Olympic gold while revolutionizing the sport of gymnastics, only to see his legacy destroyed by allegations of abusive coaching, has died. He was 82.

Karolyi and wife Martha trained multiple Olympic gold medalists and world champions in the US and Romania, including Nadia Comaneci and Mary Lou Retton.

Bela Karolyi, the legendary and controversial Romanian American gymnastics coach who helped lead Mary Lou Retton, Nadia Comaneci and Kerri Strug to Olympic gold, has died, USA Gymnastics announced. He was 82.