Which company produced the science fiction hit that the American screenwriter born on September 30, 1946 was involved with? 
Alien (film): Alien is a 1979 science-fiction horror film directed by Ridley Scott, and starring Sigourney Weaver, Tom Skerritt, Veronica Cartwright, Harry Dean Stanton, John Hurt, Ian Holm and Yaphet Kotto. Alien (film):  The film was produced by Gordon Carroll, David Giler and Walter Hill through their company Brandywine Productions, and was distributed by 20th Century Fox. Dan O'Bannon: Daniel Thomas "Dan" O'Bannon (September 30, 1946 – December 17, 2009) was an American film screenwriter, director, visual effects supervisor, and occasional actor, usually in the science fiction and horror genres.
i don't know