Four-time MVP and 13-time All-Star Wilt Chamberlain dominates the NBA record book, in which "The Big Dipper" is the all-time leader in rebounds (23,924) and games with 50 or more points (118) — including his single-game record 100 points on March 2, 1962. Here are some rarely seen photos of "Wilt the Stilt," born on Aug. 21, 1936, from adolescence to the pros and beyond.