Jack Sharkey was an American professional boxer born on October 26, 1906, in South Boston, Massachusetts. He competed in the heavyweight division and became known for his powerful punches and resilience in the ring. Sharkey's boxing career spanned from 1925 to 1936, during which he fought many notable opponents. In 1932, Sharkey won the World Heavyweight Championship by defeating Max Schmeling. He was known for his unique fighting style and ability to adapt to different opponents. After retiring from boxing, Sharkey remained involved in the sport as a commentator and trainer, leaving a lasting legacy in the boxing community.