 The earliest depictions of dinosaurs in movies, such as the 1933 "King Kong" film and the 1925 production of "The Lost World", based on the Arthur Conan Doyle novel of the same name, relied heavily on Knight's dinosaur paintings to produce suitable dinosaur models that were realistic for the time.The special effects artist Ray Harryhausen would continue basing his movie dinosaurs on Knight illustrations up through the sixties, including for films such as the 1966 "One Million Years B.C.