G. John Benson, DVM, MS, is a professor and Chief of Anesthesiology in Veterinary Clinical Medicine at the University of Illinois, Urbana. Dr. Benson also holds joint appointments in the Department s of Veterinary Pathobiology (Comparative Medicine Division) and Veterinary Biosciences (Pharmacology Division).


Bernard E. Rollin, PhD, is University Distinguished Professor and Professor of Philosophy, Physiology, and Animal Sciences , as well as University Bioethicist at Colorado State University, Fort Collins, Dr. Rollin is the founder of the fields of veterinary medical ethics and is a principal architect of laws protecting laboratory animals. He addressed animal welfare as the keynote speaker at the 2003 American Dairy Science Association/American Society of Animal Science joint meeting.