Founded by George W. Lucas in 1971, Lucasfilm Limited is an American TV and film production company whose most famous creations were the Star Wars series and the Indiana Jones franchise. Lucasfilm headquarters is at the Letterman Digital Arts Center on the Presidio in San Francisco. Lucasfilm is mostly known for its innovative work in special effects, new film technology and computer animation. Its subsidiaries, such as Pixar, are so expert in their field that they are often utilized to help produce non-Lucasfilm movies. In October 2012 it was announced that The Walt Disney Company was going to acquire Lucasfilm for $4.05 billion.