Bela Karolyi, polarizing U.S. gymnastics coach, dies at 82

Bela Karolyi, the charismatic if polarizing gymnastics coach who turned young women into champions and the United States into an international power, has died. He was 82.

A spokesperson for USA Gymnastics confirmed to CBS News by email that Karolyi died Friday. No cause of death was given.

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