Which company produced the science fiction hit that the American screenwriter born on September 30, 1946 was involved with? 
Alien (film):  Dan O'Bannon, drawing upon previous works of science fiction and horror, wrote the screenplay from a story he co-authored with Ronald Shusett. 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