Both Lowell Dingus, Ph.D. and Mark Norell, Ph.D. are dinosaur paleontologists affiliated with the American Museum of Natural History in New York City, which houses the largest collection of dinosaur and other fossil vertebrates in the world. They have each spent many years traveling the world in search of fossils. Dr. Norell has been the leader or co-leader on international expeditions in Chilean Patagonia, Central Chilean Andes, West African Sahel, Mongolia and Cuba. Dr. Dingus recently served as the Director of the Museum's stunning Fossil Hall Renovation.
