Benjamin L. Hart, Distinguished Professor Emeritus at the UC Davis School of Veterinary Medicine, has always taken a passionate interest in animal behavior, which has had an immense effect on his life's work. At UC Davis he developed the first comprehensive teaching program in companion animal behavior and was chief of the Behavior Service in the veterinary hospital. He is the author of almost two hundred publications, many of which focus on resolving behavior problems in cats.Lynette A. Hart studied animal communication during her doctoral education at Rutgers University. She was founding director of the Center for Animals in Society at the University of California, and among her approximately one hundred publications are landmark studies on the socializing effects of animals for people with disabilities, and the grieving process associated with the death of a beloved companion animal. She was instrumental in establishing the country's first pet loss support hotline.