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.
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)
CIRCA 1960: Ex Boxer (L-R) Maxie Rosenbloom poses with Cassius Clay and Solly Krieger.(Photo by: The Ring Magazine/Getty Images)
FILE – In this Thursday Feb. 4, 1999, file photo, Muhammad Ali, known as “The Greatest,” poses next to a Wheaties poster during the unveiling of the 75th anniversary cereal box in his honor, in New York. Ali was one of the greatest athletes of all time, but he didnt cash in on product endorsements during his prime the way youd expect today. Ali was featured on the Wheaties box in 1999, long after he retired, and was the first boxer to appear there. (AP Photo/Bebeto Matthews, File)
11 Dec 1999: (from left to right) Boxing legends past and present Lennox Lewis, Harry Carpenter and Muhammad Ali pose for the cameras at the BBC Sports Personality of the Year Awards ceremony held at the BBC Television Centre, in London. Mandatory Credit: Craig Prentis /Allsport
17 Jun 2000: Former boxing great Muhammad Ali poses with actor and musical artist Will Smith before the start of the Oscar De La Hoya and Sugar Shane Mosley bout at the Staples Center in Los Angeles, California. DIGITAL IMAGE Mandatory Credit: Jed Jacobsohn/ALLSPORT
399454 19: Boxing legend Muhammad Ali poses with his daughters at ceremony honoring him with a star on the Hollywood Walk of Fame January 11, 2002 in Hollywood, CA. (Photo by Vince Bucci/Getty Images)
ALI CONTINUES TO POSE FOR THE CAMERA.
AT A PRESS CONFERENCE IN LONDON AT THE HILTON HOTEL
Liston takes more punishment before deciding to stay in his chair at the end of the sixth round. Some commentators felt that ListonÕs defeat was partly due to his frame of mind when he entered the ring. He was said to be dispirited and disillusioned by the way he had been treated as champion.
25 February 1964
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MUHAMMAD ALI AND 1ST WIFE SONJI
Heavyweight champion Cassius Clay, with wife Sonji on his arm, clebrates his successful defence of his world heavyweight title against Sonny Liston at the Lewiston Arena, Tuesday night, moments after the bout eneded.
399454 20: Boxing legend Muhammad Ali poses with his wife Lonnie at ceremony honoring him with a star on the Hollywood Walk of Fame January 11, 2002 in Hollywood, CA. (Photo by Vince Bucci/Getty Images)
CIRCA 1960: Many poses of Muhammad Ali.(Photo by: The Ring Magazine/Getty Images)
Boxing legend Muhammad poses at the Boys & Girls Clubs of America annual President’s dinner on June 9, 2004 in New York. A small leather-bound volume in which Ali drew pictures of himself fighting arch rival Joe Frazier has sold for $30,000 at auction in London on Monday, Nov.1, 2004.(AP Photo/Tina Fineberg)
Former heavyweight boxing champion Muhammad Ali poses during a news conference in Berlin Friday, Dec.16, 2005. Ali is in Berlin to be awarded with the Otto-Hahn peace medal and to attend the fight of his daughter Laila on Saturday Dec. 17.(AP Photo/Markus Schreiber)
The world heavyweight boxing champion Muhammad Ali in a London street. Original Publication: People Disc – HW0515 (Photo by Aubrey Hart/Getty Images)
Muhammad Ali at home. (Globe Photos/ZUMA Press/Alamy)
AT HIS FAMILY HOME IN LOUISVILLE, WITH HIS YOUNGER BROTHER RUDOLPH, CLAY SHOWS HE CAN COOK, BY MAKING PANCAKE BATTER.