Was born in Tulsa, Oklahoma (1943). Son of Frances Clark (baby photographer) and Lewis Clark. Graduated from Central High school in Tulsa, Oklahoma. Attended Layton School of Art in Milwaukee, Wisconsin. Studied under Walter Sheffer and Gerard Bakker. Film debut was the movie Kids (1995). He was already well known for his revolutionary photographic body of work, including the books Tulsa (1971), Teenage Lust (1982), and Perfect Childhood (1992).