American screenwriter, producer, and director who helped produce the award-winning documentary American Revolution 2 in 1969 and later became the series writer for the series Star Trek: The Next Generation from 1988 until 1989.
He co-founded the Chicago film production company The Film Group in 1965.
He is also the author of several books including The Warning published in 1982 and Drug Crazy in 1998.
He had a son, Lucas with his wife, Carol.
He worked as a second unit director on the 1993 film The Fugitive, starring Harrison Ford.