He was a frequent collaborator of
Dan O'Bannon; they shared writing credits on
Blue Thunder (1983),
Lifeforce (1985) and
Invaders from Mars (1986), but they also collaborated on at least two unproduced projects: "Pinocchio the Robot", a sci-fi re-imagining of the children's novel "The Adventures of Pinocchio", which
Tobe Hooper was slated to direct in the mid 80s with
Lee Marvin in the role of Geppetto, and "Sorcerer's Apprentice".