High Quality Content by WIKIPEDIA articles! Jim Danforth (born 1940) is a stop-motion animator, known for model-animation and matte painting. Danforth is known for his work on When Dinosaurs Ruled the Earth (1971), a sequel of sorts to Ray Harryhausen`s One Million Years B.C. (1967). Danforth later went on to work with Harryhausen on the film Clash of the Titans (1981), in which he was mainly responsible for the animation of the winged-horse Pegasus.