en Altadefinizione. Nicolás Guillén Landrián was one of the most avant-garde Cuban filmmakers of the 1960s and 1970s. However, his work was not properly appreciated and he was relegated to ostracism. In 2022, some of his documentaries began to be restored. While documenting this process, his widow Gretel Alfonso and photographer Livio Delgado recall different passages from the life of this important documentary filmmaker.