Ben Van Meter began making films and light shows in the mid-1960s in San Francisco and soon became a leading figure in Bay Area-underground filmmaking. His films, especially S.F. Trips Festival, An Opening (1966) and the epic Acid Mantra or Rebirth of a Nation (1968), are compelling attempts to visually and sonically inscribe psychedelia, as experience and philosophy, in the medium of film. Van Meter’s films were unavailable for many