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Kareem Abdul-Jabbar, known as Lew Alcindor before changing his name in 1971, won six NBA titles, three NCAA national championships at UCLA and is the NBA’s all-time leading scorer (38,387 points). He also holds the NBA record for most games played, minutes played, field goals made, field goal attempts, blocked shots, defensive rebounds and personal fouls. In honor of his 69th birthday on April 16, 2016, here are some classic photos of Kareem through the years.