Muhammad Ali, regarded as one of the greatest boxers in history, died on Friday. He was 74.
MORE: Boxing legend Muhammad Ali dead at age 74
Perhaps the most recognized person in the world, Ali will be remembered for iconic victories over Sonny Liston, Joe Frazier, and George Foreman.
[Ads /]
Ali had been battling respiratory issues that were complicated by Parkinson's disease. Ali was hospitalized in the Phoenix area as family members gathered by his bedside.
Muhammad Ali points to a sign he wrote on a chalk board in his dressing room before his fight against Archie Moore in Los Angeles on Nov. 15, 1962. (Harold P. Matosian)
Spray flies from the head of challenger Joe Frazier as heavyweight champion Muhammad Ali connects with a right in Manila, Philippines, October 1, 1975. (Mitsunori Chigita)
Muhammad Ali told an anti-war rally at the University of Chicago on May 11, 1967 that there is a difference between fighting in the ring and fighting in Vietnam. (Charles Harrity)
President Bush presents the Presidential Medal of Freedom to boxer Muhammad Ali in the East Room of the White House on Nov. 9, 2005. (Evan Vucci)
Muhammad Ali stands over fallen challenger Sonny Liston, shouting and gesturing shortly after dropping Liston with a punch on May 25, 1965, in Lewiston, Maine. (John Rooney)