Mary Craig Sinclair is a pivotal figure in the realm of physical media, particularly noted for her work in the production of culturally significant films. Her most renowned project, ¡Qué Viva México! (1979), stands as a testament to her dedication to preserving cinematic art. This film, originally directed by the legendary Sergei Eisenstein, was brought to completion by Sinclair, showcasing her ability to navigate the complexities of film restoration and production. Collectors are particularly drawn to this title due to its rich historical context and the challenges surrounding its release. The limited editions on both DVD and Blu-ray feature exclusive commentary and behind-the-scenes insights, making them highly sought after by aficionados of film history. Sinclair’s contributions extend beyond just this singular film; her work embodies a commitment to showcasing lost or underappreciated gems, making her an essential figure in the world of physical media collection. Collectors value her for not only the films she produced but also for her role in keeping cinematic legacies alive.