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
Forbidden Planet (bookstore) paired with James Hamilton and Kenny Penman (today the main shareholders in Forbidden Planet International with Andrew Oddie, Richard Boxall and Colin Campbell) to open other stores. Penman and Hamilton were owners of one of the UK's oldest comics and SF stores, Science Fiction Bookshop, in Edinburgh, which opened around 1975. On 30 September 2003, the London store moved to even bigger premises at the eastern end of Shaftesbury Avenue. Forbidden Planet opened a second Megastore in Clifton Heights in Bristol in 2005, and a third in Southampton in 2007. In 2006 the company launched forbiddenplanet.com, an e-commerce retail site