Credits · 16
FilmSearch for the Submarine I-52
2000 · Writer
FilmNational Geographic's Storm of the Century
1998 · Executive Producer
FilmThe Dragons of Galapagos
1998 · Narrator (voice)
FilmThe Sonoran Desert: A Violent Eden
1997 · Executive Producer
FilmVolcano: Nature's Inferno
1997 · Executive Producer
FilmPuma: Lion of the Andes
1996 · Executive Producer
FilmInside the White House
1996 · Executive Producer
Film30 Years of National Geographic Specials
1995 · Executive Producer
FilmSecrets of the Titanic
1986 · Writer
FilmRealm of the Alligator
1986 · Writer
Natural World
1983 · Writer
FilmBirds Do It, Bees Do It
1974 · Director
FilmHollywood: The Dream Factory
1972 · Executive Producer
FilmDear Mr. Gable
1968 · Producer
FilmThe Really Big Family
1966 · Dialogue
National Geographic Specials
1965 · Writer