Raymundo Gleyzer was a pivotal figure in Argentine cinema, known for his powerful documentaries that shed light on the struggles of Latin American communities. His most notable work, *Mexico: The Frozen Revolution* (1973), is a compelling exploration of socio-political issues in Mexico, making it a prized possession for collectors interested in politically charged narratives. Gleyzer's films often reflect his activist spirit, as he used his camera as a tool for social change, capturing the harsh realities faced by marginalized populations. Collectors seek out Gleyzer’s films not only for their historical significance but also for their raw, unfiltered storytelling. His commitment to activism through cinema, especially as a founding member of the influential group "Cine de la Base," makes his work essential for anyone interested in the intersection of film and social justice. Sadly, Gleyzer's life was cut short when he was disappeared by the military dictatorship in Argentina, adding a layer of poignancy to his already impactful legacy.