Seeley, Harry G
Harry Govier Seeley (1839-1909) was a British paleontologist. In 1887, he divided the dinosaurs by hip structure, into the orders Saurischia and Ornithischia. He named Agrosaurus (1891), Anoplosaurus (1878), Aristosuchus (1887), Craterosaurus (1874), Macrurosaurus (1869), Orthomerus (1883), Priodontognathus (1875), Rhadionsaurus (1881), and Thecospondylus (1882).