In the 1920s and 30s, anti-Semitism was rife in the United States and Europe. Jews needed symbols of strength and demonstrations of courage against their enemies, and they found both in two champions of boxing: Max Baer and Barney Ross. Baer was the only Jewish heavyweight champion in the twentieth century, while Ross was considered one of the greatest welterweight and lightweight champions of the era. Although their careers never crossed paths, their...