Willis was an American stop-motion animator and motion special effectscreator , he was responsible for some of the best-known images in cinema history . He spent his spare time sculpting and illustrating which led for his employment as a draftsman ' s as a sport cartoonist for the San Francisco Daily News , During this time period he created animated models , this included cavemen and dinosaurs . From this he was able to create his own film " The Dinosaur and the missing Link " He noticed he could make his movies by moving figures and filming then one frame at a time , this made the production process allot easier and gave him the ability to do whatever he wished with his clay models . This technique of stop frames would of advances Willis O ’ Brien work as he ' d be able to manipulate the human eye to think that the clay models are infact moving . He improved the ability to move the model , and work with the clay models to make them move more freely . This plays on the perception of vision as it is making the illison to the audience that the animals are actually moving .
Ray Harryhausen-
Ray was an American-British visual effects creator , writer and producer who created a form of stopmotion models known as " dynamation ". Ray considered his specialty to be creating fantasy creatures , making the animated character in the same scene as a human actor . This technique would of made the audience more interested in that time period as this had never happened before , it creates the illusions of the scenes and makes a comparison between real life and imaginary . He created the invention of Dynamation , which is using a projected screen to capture animation that is over another piece of work , this has developed from Edward Muybridge of using mirrors to be able to see the moving images . Ray HarryHausen worked alone and this is why his stop motion took so long to create , in his most popular film he would often shoot no more than 13 frames of film per day . He has inspired many animators for years after by using animated characters with humans to develop the filming industry as much as possible .