Herbert M. Dawley

In a dream Uncle Jack looks through a magic telescope owned by the ghost of a hermit and sees what life was like millions of years ago, including a battle between prehistoric monsters.

A magic aeroplane takes two children to the Moon, where they encounter prehistoric monsters and witness a battle between them. As far as is known this was the first film to combine realistic stop-motion dinosaurs and live-action actors in the same shot. Preserved by the Academy Film Archive in 2008.

A prehistoric writer sells his masterpiece to a film company, which is butchered horribly in the process of getting made into a stone-age movie. Preserved by the Academy Film Archive in 2010.