Jimmy Ellis was an American professional boxer, born on February 24, 1947, in Louisville, Kentucky. He gained recognition in the 1970s for his powerful punches and tenacity in the ring. Ellis was known for his speed and agility, which helped him secure a successful career in boxing. He became the WBA World Boxing Association heavyweight champion in 1968 after defeating Jerry Quarry. Throughout his career, Ellis faced several notable opponents, including Muhammad Ali and Joe Frazier. After retiring from boxing, he remained involved in the sport as a trainer and mentor to young fighters.