Larry Holmes is an American former professional boxer who competed from 1973 to 2002 and was world heavyweight champion from 1978 until 1985. He is often considered to be one of the greatest heavyweight boxers of all time. He grew up in Easton, Pennsylvania, which led to his nickname of "the Easton Assassin". World heavyweight champion (IBF) from December 11, 1983 to September 21, 1985. Wiki link