John Banner was an Austrian-born American actor who fled his home country following the Anschluss. He is best remembered for his iconic role as the bumbling Sergeant Schultz in the classic television sitcom Hogan's Heroes. His famous catchphrase, 'I know nothing!', became a cultural touchstone of the era, defining his public persona. Despite being typecast by the role, his performance brought endearing comedic relief to the show and remains beloved by audiences worldwide.