Muhammad Ali born on January 17, 1942 in Louisville, Kentucky. He is an American former professional boxer, generally considered among the greatest heavyweights in the history of the sport. Muhammad Ali became an Olympic gold medalist in 1960 and the world heavyweight boxing champion in 1964. Ali reclaimed the heavyweight title two more times during the 1970s. Ali has devoted much of his time to philanthropy and in 2005, Ali received the Presidential Medal of Freedom from President George W. Bush.