Victor MoscosoVictor Moscoso.

Victor Moscoso (born July 28, 1936) is a Spanish-American artist best known for producing psychedelic rock posters, advertisements, and underground comix in San Francisco during the 1960s and 1970s. He was the first of the rock poster artists of the 1960s era with formal academic training and experience. He was the first of the rock poster artists to use photographic collage in many of his posters.