“Alien” chestburster was inspired by writer’s Crohn’s disease
American science-fiction screenwriter, director, and visual effects specialist Dan O’Bannon was employed to supervise special effects in 1975 film adaptation of Frank Herbert’s Dune by Alejandro Jodorowsky. The movie signed up Salvador Dalí, Orson Welles, Gloria Swanson and Mick Jagger to star, Pink Floyd to make music, and artist H. R. Giger for set and character design. The movie was cancelled in 1976 when $2 million of planned $9.5 million