Ray harryhausen is a visual effects pioneer. Becoming a Stop Motion animator, he worked on such classics as Jason and the Argonauts, Clash of the Titans and the Sinbad films. when king kong was first created there was weakness, Ray harryhausen began perfecting these weaknesses. He would later call his development Dynamation Animation. This was a type of animation that combined both live action film and special effects like miniatures and models.