Directing Irwin Rosten Directed National Geographic: The Volga 1977 The Incredible Machine 1975 Birds Do It, Bees Do It 1974 The Wolf Men 1969 Grizzly! 1967 Other Credits National Geographic: Splendid Stones Writer 1991 Hollywood: The Dream Factory Producer 1972 Dear Mr. Gable Executive Producer 1968 Agent-readable