Here’s a list of filmmakers that author Sheldon Renan wrote bios for in his seminal ’67 book An Introduction to the American Underground Film.

From 1986 to 1996, the American Film Institute gave out the Maya Deren award to underground film artists like Kenneth Anger and Shirley Clarke.

Notable underground film events of 1978 were the beginning of the No Wave movement, Amos Poe directing The Foreigner and the launch of Glenn O’Brien’s TV Party.

Notable underground film events of 1977 were John Waters directing Desperate Living and David Lynch making Eraserhead, plus Ric Shore’s brilliant Punking Out.

Notable underground film events of 1976 were the publication of A History of American Avant-Garde Cinema and the production of Jonas Mekas’ Lost, Lost, Lost.

Notable underground film events of 1975 were the formation of Berks Filmmakers, the debut of the Rocky Horror Picture Show and Amos Poe making Night Lunch.

Notable underground film events for 1973 were a widespread appreciation for Stan Brakhage developed; Alejandro Jodorowsky made The Holy Mountain and more.

Notable underground films in 1972 were John Waters’ Pink Flamingos, Robert Downey Sr.’s Greaser’s Palace; plus Kenneth Anger published his own obituary.

Robert Breer was one of the pioneering members of the underground film movement of the 1960s and you can watch three of his short animations.