Who did the special effects of Alien?

The special effects for the 1979 film "Alien" were primarily created by H.R. Giger, whose distinctive design work for the Alien creature and its environment left a lasting impact on Science Fiction cinema. Additionally, the film's visual effects were handled by Richard Edlund and his team at the company Boss Film StudiOS. Their innovative techniques helped bring the terrifying atmosphere of the film to life, contributing to its critical acclaim and enduring legacy.