C. David Lochner is a notable figure in the realm of documentary filmmaking, particularly recognized for his insightful explorations of technology and society. His 1975 film *Age of Invention* delves into the transformative effects of technological advances, making it a favorite among collectors who appreciate the intersection of innovation and culture. This film not only showcases Lochner's distinctive style but also serves as a historical snapshot of a pivotal era, solidifying its place in the hearts of physical media enthusiasts. Another gem in Lochner's oeuvre is *Britannia: A Bridge* (1973), a visually stunning exploration of the architectural marvels of the UK. Collectors often seek out this title for its unique perspective and rich cinematography that highlights Lochner's meticulous attention to detail. Additionally, *Rail Report 11: Rails Conserve the Environment* (1970) stands out as a pioneering effort in environmental documentary filmmaking, appealing to those who value both ecological themes and vintage media. Lochner’s work remains a testament to the artistry of film and the enduring relevance of physical media in preserving our cinematic heritage.