The 29-minute experimental film Christmas on Earth caused a sensation when it first screened in New York City in 1964. Its orgy scenes, double projections and overlapping images shattered artistic conventions and announced a powerful new voice in the city's underground film scene. All the more remarkable, that vision belonged to a teenager, 18-year-old Barbara Rubin. A Zelig of the '60s, she introduced Andy Warhol to the Velvet Underground, Bob... see more