Bill Russell through the years
Bill Russell is the ultimate champion in the history of professional basketball. As the Celtics' center from 1956-69, he led the franchise to 11 titles, providing superb defense while averaging a staggering 22.5 rebounds per game. He was known for his memorable battles with -- and frequent victories over -- Wilt Chamberlain. But his legacy is hardly limited to basketball. He was a prominent member of the Civil Rights movement of the 1960s and was awarded the Presidential Medal of Freedom in February. Scroll through this gallery to look at the life of a remarkable man.