Special effects supervisor A. Arnold “Buddy” Gillespie’s original concept sketch for Robby the Robot. The aesthetic look was refined by production illustrator Mentor Huebner. Bottom: Never say “never.” Robby sits down to pilot the ship at the end of the film. Note painted cardboard leg attachment and use of replaceable hand tools.

Frederick S. Clarke and Steve Rubin. “Making Forbidden Planet.” Cinefantastique, vol. 8, no.s 2-3 (Spring 1979): pp. 4-67. [caption and photo on page 29].