From Wikipedia, the free encyclopedia. John S. Boskovich (December 8, 1956 – September 24, 2006) was an artist, writer, filmmaker, and teacher. Boskovich was raised in the San Fernando Valley, an only child. John attended Notre Dame High School. Boskovich graduated from USC, and then earned an MFA at California Institute of the Arts, where he was a student of John Baldessari, a conceptual artist who became a mentor. While