Muhammad Ali's considerable skills as a boxer earned him the world heavyweight championship, a title that he lost and regained twice. But it was the force of his personality and his unwavering personal convictions that made him a lightning rod of the turbulent 1960s and elevated him to the status of the most recognized, controversial, and admired athlete in the world. He stunned the public early on by declaring his conversion to the Black Muslim religion. Only after many months did the med...