PERSON@1 -LRB- May NUMBER@1 , NUMBER@2 - April NUMBER@3 , NUMBER@4 -RRB- , better known as PERSON@2 , was the world heavyweight boxing champion from NUMBER@5 to NUMBER@6 .

PERSON@2 -LRB- born PERSON@1 on May NUMBER@1 , NUMBER@2 , died April NUMBER@3 , NUMBER@4 -RRB- was an MISC@1 boxer . He was the world heavyweight champion from NUMBER@5 to NUMBER@6 .
