The Tempest two other silent versions, one from 1911 by Edwin Thanhouser, are known to have existed, but have been lost. The plot was adapted for the Western "Yellow Sky", directed by William A. Wellman, in 1946. The 1956 science fiction film "Forbidden Planet" set the story on a planet in space, Altair IV, instead of an island. Professor Morbius and his daughter Altaira (Anne Francis) are the Prospero and Miranda figures (both Prospero and Morbius having harnessed the mighty forces that inhabit their new homes). Ariel is represented by the helpful Robby the Robot, while Sycorax is replaced with the powerful
Tobor the Great Robot for the classic 1956 film "Forbidden Planet", as well as the B-9 Environmental Control Robot for the mid-1960s hit science fiction television series "Lost In Space". The original Tobor prop and remote control device is still in existence, having been stored away safely in a private collection for more than 50 years. There is an on-line company, Fred Barton Productions, that sells screen-accurate, full-size replicas of Tobor as seen in the film. In a review in "The New York Times" "Tobor the Great" is characterized as "This children's sci-fi adventure (that) chronicles the friendship between an 11-year-old and his