- Boxing great Muhammad Ali waves after being awarded the Liberty Medal at the National Constitution Center in Philadelphia, Pennsylvania September 13, 2012. Ali, retired world heavyweight title holder, received the $100,000 award, sponsored by the nonprofit National Constitution Center, in recognition for his humanitarian efforts and work for civil rights at an awards ceremony on Thursday. REUTERS/Tim Shaffer
- Boxer Cassius Clay(Muhammad Ali) paces the ring after the crowd boos his win in a 1963 bout with Doug Jones.
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- Muhammad Ali strikes a boxers pose during an interview at the Marriott City Center Monday afternoon. The former boxer was the guest of honor at a fund-raising luncheon for the Pittsburgh chapter of the National Parkinsons Foundation. (Post-Gazette photo by Peter Diana) 5/18/98 with stories by Uricchio and Cook
- Muhammad Ali works up a sweat on the heavy bag in New Orleans where he is getting ready for a rematch with Leon Spinks, Sept. 5, 1978. Ali gets a crack at getting back his title on September 15 in the Superdome. (AP Photo)