Muhammad Ali conceived Cassius Marcellus Clay, Jr., January 17, 1942 – June 3, 2016 was an American expert boxer, for the most part considered the best heavyweight ever. Right off the bat in his vocation, Ali was known for being a moving, disputable and polarizing figure both inside and outside the boxing ring.He was a standout amongst the most perceived games figures of the previous 100 years, delegated "Sportsman of the Century" by Sports Illustrated and "Brandishes Personality of the Century" by the BBC.He likewise composed a few top of the line books about his profession, including The Greatest: My Own Story and The Soul of a Butterfly.