Johnnie Stewart was a pioneering British television producer best known as the creator and founding producer of the BBC's Top of the Pops. After beginning his career in BBC radio on post-war variety and music programmes such as In Town Tonight and Saturday Club, Stewart helped shape the corporation's approach to popular entertainment. In 1964, he co-created Top of the Pops, producing the early editions from a Manchester church studio and establishing the show's enduring format - a weekly countdown of the UK singles chart performed by leading artists. Stewart oversaw its move to London and guided TOTP through its formative years, defining the look, pace, and atmosphere that made it a cultural institution.