John L. Sullivan

John L. Sullivan was a prominent American boxer in the late 19th century, regarded as the first heavyweight champion under the Marquess of Queensberry rules, which established modern boxing's standardized rules. Born in 1858, he became famous for his powerful fighting style and charisma, embodying the spirit of the era. Sullivan was also known for his role in popularizing boxing as a legitimate sport rather than a mere spectacle. His career peaked in the 1880s, and he is often remembered as a cultural icon, influencing future generations of boxers and contributing to the growth of boxing in America.