Howard Evans is professor emeritus in entomology at Colorado State University. The author of more than 200 scientific and popular works, including The Pleasures of Entomology, Dr. Evans is a recipient of the William J. Walker Prize from the Boston Museum of Science and the Daniel Giraud Elliot Medal from the National Academy of Sciences. Mary Alice Evans is a faculty affiliate in entomology at Colorado State University. Her works have appeared in many scientific publications. The two are co-authors of Australia: A Natural History.