THX 1138 is a 1971 science fiction film directed by George Lucas, from a screenplay by Lucas and Walter Murch.
It was the first feature-length film directed by Lucas, and a more developed, feature-length version of his student film Electronic Labyrinth: THX 1138 4EB, which he made in 1967 while attending the University of Southern California, based on a one and a quarter page treatment of an idea by Matthew Robbins.
The film was produced in a joint venture between Warner Brothers and Francis Ford Coppola's then-new production company, American Zoetrope.
The film's use of the number 1138 has become an in-joke in popular culture, and more commonly in works by Lucas and Steven Spielberg. Combinations of the title and number can be found in several Lucasfilm releases, including American Graffiti, and the Star Wars and Indiana Jones films.
According to Tomlinson Holman, the inventor of the THX system, the name of the technology was deliberately chosen because it contained both a reference to his name, and to Lucas's THX 1138. The original name was "Tom Holman's Crossover" (Crossover being sometimes referred to as Xover) or the "Tom Holman eXperiment."
Clip from THX 1138 with commentary part 1 of 2
Clip from THX 1138 with commentary part 2 of 2
Photo set by Marc Wathieu
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