Ian Dunbar — British Scientist born on April 15, 1947,
Veterinarian, animal behaviorist, and dog trainer, Dr. Ian Dunbar received his veterinary degree and a Special Honors degree in Physiology & Biochemistry from the Royal Veterinary College plus a doctorate in animal behavior from the Psychology Department at UC Berkeley, where he researched the development of social hierarchies and aggression in domestic dogs... (wikipedia)