Theo Epstein, a legendary Jewish figure in baseball, is revered for his role in breaking two of the longest World Series curses in the sport as the general manager of the Boston Red Sox and the president of baseball operations for the Chicago Cubs. His analytical approach to team-building has been groundbreaking, changing the landscape of baseball management. Epstein's acumen for assembling championship-winning teams has made him a baseball icon, and his signature is a coveted piece of sports history for memorabilia enthusiasts.