You know that he was 7-foot-1. You know that he once scored 100 points in a single game. And you know that he allegedly slept with more than 20,000 women during his lifetime. But what else do you know about Wilt Chamberlain?

Chances are, not much. Wilt the Stilt (one thing you'll learn today is that he hated that nickname) last played in the NBA all the way back in 1973. And although there are dozens of books that have been written about him over the years, a lot of today's younger NBA fans probably don't know a whole lot about him. So to celebrate the legacy that he left—and to honor him on the 15th anniversary of his death—we compiled a list of 25 Things You Didn't Know About Wilt Chamberlain. Get to know one of the greatest basketball players to ever walk the planet.