 Notable contributions include the first 360 film techniques, 360-degree camera, and first Circle-Vision 360 film, "America the Beautiful", and developing the process for creating seamless live action shots with animated backgrounds.In 1985, after nearly 35 years at Disney, Iwerks left to form his own company called Iwerks Entertainment.Iwerks became a leading developer of special films, special venues, and virtual reality theaters throughout the world.