Биография отсутствует.
1991National Geographic: Splendid StonesФильмWriter · Producer
1977National Geographic: The VolgaФильмProducer · Director · Writer
1975The Incredible MachineФильмWriter · Director
1974Birds Do It, Bees Do ItФильмDirector
1972Hollywood: The Dream FactoryФильмProducer · Writer
1969The Wolf MenФильмWriter · Producer · Director
1968Dear Mr. GableФильмExecutive Producer
1967Grizzly!ФильмWriter · Director
1965National Geographic SpecialsСериалDirector · Writer · эпизодов: 1