Muhammad Ali won the world heavyweight boxing title but he became one of the most recognizable people on the planet because of his style, charisma and public stances on global issues.
Muhammad Ali poses for photographs with his wife Yolanda before the Cold Spring Harbor Laboratory Inaugural Double Helix medals Gala in New York,in this Nov. 9, 2006 file photo. (AP Photo/Frank Franklin II)Read moreAP
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