James J. Braddock was an American professional boxer who gained fame during the 1930s. Born on June 7, 1905, in New York City, he became the heavyweight champion of the world in 1935. Braddock's career was marked by struggles, including financial difficulties during the Great Depression, which earned him the nickname "Cinderella Man." Braddock's rise to prominence was characterized by his determination and resilience. He achieved a remarkable comeback after being considered washed up, defeating the reigning champion, Max Baer, in a stunning upset. His life story inspired the 2005 film titled Cinderella Man, showcasing his journey from hardship to success.