Peter is a vertebrate paleontologist whose more than four decades of research has centered on the evolution, anatomy, and paleoecology of dinosaurs. He is an international authority on the Ceratopsia or horned dinosaurs, a group exemplified by the iconic Triceratops. Peter has described and named six new dinosaur species including ceratopsians, and the long-necked sauropods. He has authored or co-authored over 100 publications on dinosaurs and is a founding editor of “The Dinosauria”, a multi-authored, state of the art compendium on dinosaur research that is now entering its third edition. Peter has also authored “The Horned Dinosaurs: A Natural History”, for which he is currently working on an updated second edition to this 1996 treatise on ceratopsian dinosaurs. In his quest to further our understanding of dinosaur paleobiology he has conducted field research in Africa, Asia, North America, and South America. His work has earned him the honor of two specific epithets; both an extinct frog, and a Chinese ceratopsian bear his name.
Peter earned his BSc in Geology at the University of Ottawa (1968), his MSc and PhD in Geology/Paleontology from the University of Alberta (1970) and Yale University (1974) respectively. He has been a Pennsylvania scientist for over 42 years and serves a Professor of both Veterinary Gross Anatomy and Earth and Environmental Science at the University of Pennsylvania.