Georges Carpentier was a French boxer, actor and World War I pilot. A precocious pugilist, Carpentier fought in numerous categories. He fought mainly as a light heavyweight and heavyweight in a career lasting from 1908 to 1926. A French professional champion on several occasions, he became the European heavyweight champion before the First World War. A sergeant aviator during the Great War, he was wounded before returning to civilian life. He then discovered rugby union, playing as a winger.

Barney Lebrowitz, better known as Battling Levinsky, was an American boxer who was the world light heavyweight champion from 1916 to 1920. Statistical boxing website BoxRec lists Levinsky as the #12 ranked light heavyweight of all time, while The Ring Magazine founder Nat Fleischer placed him at #9. The International Boxing Research Organization rates Levinsky as the 20th best light heavyweight ever. He was inducted into the Ring Magazine Hall of Fame in 1966, the International Jewish Sports Hall of Fame in 1982, and the International Boxing Hall of Fame in 2000.