Gregory S. PaulGREGORY S. PAUL is an American freelance researcher, author, and illustrator who works in paleontology. He is best known for his work and research on theropod dinosaurs and his detailed illustrations, both live and skeletal. Professionally investigatng and restoring dinosaurs for three decades, Paul received an on-screen credit as a dinosaur specialist on Jurassic Park and Discovery Channel's When Dinosaurs Roamed America and Dinosaur Planet. He is the author and illustrator of Predatory Dinosaurs of the World (1988), The Complete Illustrated Guide to Dinosaur Skeletons (1996), Dinosaurs of the Air (2001), The Princeton Field Guide To Dinosaurs (2010), Gregory S. Paul's Dinosaur Coffee Table Book (2010), and editor of The Scientific American Book of Dinosaurs (2000). From 1977 to 1984, Paul was an informal research associate and illustrator for Robert Bakker in the Earth and Planetary Sciences department at Johns Hopkins University in Baltimore. He has been a member of the Society of Vertebrate Paleontology since 1979, the National Center for Science Education since 1992, and the Guild of Natural Science Illustrators since 1986. Read More Read Less