<P> Beginning in 1946, Frank Stauffacher ran the "Art in Cinema" program of experimental and avant - garde films at the San Francisco Museum of Modern Art . </P> <P> From 1949 to 1975, the Festival international du cinéma expérimental de Knokke - le - Zoute--located in Knokke - Heist, Belgium--was the most proeminant festival of experimental cinema in the World . It permits the discovery of American avant - garde in 1958 with Brakhage's films and many others European and American filmmakers . </P> <P> From 1947 to 1963, the New York - based Cinema 16 functioned as the primary exhibitor and distributor of experimental film in the United States . Under the leadership of Amos Vogel and Marcia Vogel, Cinema 16 flourished as a nonprofit membership society committed to the exhibition of documentary, avant - garde, scientific, educational, and performance films to ever - increasing audiences . </P> <P> In 1962, Jonas Mekas and about 20 other film makers founded The Film - Makers' Cooperative in New York City . Soon similar artists cooperatives were formed in other places: Canyon Cinema in San Francisco, the London Film - Makers' Co-op, and Canadian Filmmakers Distribution Center . </P>

What are some of the features of experimental film