Dr Darren Naish is a renowned palaeontologist. He has appeared on television including BBC News 24, Channel 4's Sunday Brunch, and Richard and Judy. He has written, or consulted on, a number of books, including DK's Dinosaurs: A Children's Encyclopedia and Dinosaurs: How They Lived and Evolved (Natural History Museum).
Chris Barker is a palaeontologist, holding degrees in Palaeobiology and Vertebrate Palaeontology. He has published his research widely, both in acclaimed academic journals such as Scientific Reports (part of Nature) and popular newspapers such as The Guardian.