Jack Horner : (3) " My father had owned a ranch when he was younger, in Montana, and he remembered riding his horse across the prairie and seeing some large bones sticking out of the ground. He was enough of a geologist, being a sand and gravel man, to have a pretty good notion that they were dinosaur bones. " - Jack Horner " Children have a great urge to learn about dinosaurs. " - Jack Horner " I think most of the dinosaur specimens we find represent subadult sizes. " - Jack Horner