Režisér
"An American Portrait" (1984)
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National Geographic: The Invisible World (1979)
Producent
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"An American Portrait" (1984)
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National Geographic: The Invisible World (1979)
-
Catastrophe (1978)
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In Search of... (1976)
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The Incredible Machine (1975)
Birds Do It, Bees Do It (1974)
Scénář
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National Geographic: The Invisible World (1979)
-
In Search of... (1976)