Jack Valenti was a pivotal figure in the film industry, serving as the president of the Motion Picture Association of America for an impressive 38 years. His most notable contribution, the creation of the MPAA film rating system in 1968, transformed how films were categorized and marketed, shaping the landscape of home video releases. Collectors often seek out his work not only for its historical significance but also for the impact it had on the films they cherish. One of his more recent contributions to film history is the documentary "Thou Shalt Not: Sex, Sin and Censorship in Pre-Code Hollywood" (2008). This film delves into the complexities of censorship during the early days of Hollywood, making it a must-have for collectors interested in the evolution of film content and regulation. Valenti’s legacy extends beyond ratings; he played a crucial role in advocating for filmmakers and promoting the value of cinema, making his work essential for any serious physical media collector.