Writing
Born January 1, 1939 — died January 1, 2021 · USA
Superman
1978 · Screenplay
Superman II
1980 · Screenplay
Superman III
1983 · Screenplay
Superman II: The Richard Donner Cut
2006 · Screenplay
Santa Claus: The Movie
1985 · Story
Takedown
2000 · Screenplay
You Will Believe: The Cinematic Saga of Superman
2006 · Self
The Crazy American Girl
1977 · Writer
