What manufacturer was investigating the Wittman Big X and at one point was based in San Antonio, Texas?
Wittman Big X The Wittman Big X is a four seat high wing variant of the Wittman Buttercup. The aircraft received serious attention from both Fairchild Aircraft, and Cessna Aircraft in the post World War II aviation boom.
THX THX Ltd. is an American company headquartered in San Francisco, California, and founded in 1983 by George Lucas. It develops the "THX" high fidelity audio/visual reproduction standards for movie theaters, screening rooms, home theaters, computer speakers, gaming consoles, car audio systems, and video games.