Industrial Light & Magic (ILM) is an American motion picture visual effects company that was founded in May 1975 by George Lucas. It is a division of the film production company Lucasfilm, which Lucas founded, and was created when Lucas began production of the film Star Wars. ILM originated in Van Nuys, California, then later moved to San Rafael in 1978, and since 2005 it has been based at the Letterman Digital Arts Center in the Presidio of San Francisco. In 2012, The Walt Disney Company acquired ILM as part of its purchase of Lucasfilm.