Mining CEO worth $24 billion nearly drowned and had to break his own leg in a freak hiking accident—he used the recovery time to go back to school

"I realized that a) I was on my own, b) I was drowning, and c) I'd been there for a little while because there were no ripples in the water," Forrest recalled. "I realized that a) I was on my own, b) I was drowning, and c) I'd been there for a little while because there were no ripples in the water," Forrest recalled.