Louis's cultural impact was felt well outside the ring. Louis had the longest single reign as champion of any boxer in history.
He was victorious in 25 consecutive title defenses, a record for all weight classes. He reigned as the world heavyweight champion from 1937 until his temporary retirement in 1949. Nicknamed the Brown Bomber, Louis is widely regarded as one of the greatest and most influential boxers of all time. Joseph Louis Barrow (– April 12, 1981) was an American professional boxer who competed from 1934 to 1951.