Xiaoming Wang is a curator of vertebrate paleontology at the Natural History Museum of Los Angeles County. With Richard H. Tedford, he has published three volumes on the fossil canids from North America. Richard H. Tedford is curator emeritus in the Department of Vertebrate Paleontology at the American Museum of Natural History, New York. Mauricio Ant�n is a paleontological artist based at the National Museum of Natural Sciences, Madrid. His collaborations include Mammoths, Sabertooths, and Hominids(with Jordi Agust�) and, with Alan Turner, The Big Cats and Their Fossil Relativesand Evolving Eden.
Jordi Agust� is ICREA Research Professor at the Institut de Paleoecologia Humana in Tarragona, Spain. He is a prominent specialist in fossil mammalian faunas of Europe, having conducted a number of European projects as well as field campaigns in Spain, Georgia, and northern Africa.Mauricio Ant�n is a paleontological artist based at the National Museum of Natural Sciences in Madrid. His work has appeared in National Geographicand Natural History. He has collaborated with the Discovery Channel and the BBC, most recently for the program "Sabretooth" and the series Walking with Prehistoric Beasts.