John G Watkins PhD was Professor Emeritus of the University of Montana, and world renowned as a pioneering psychologist, particularly in the areas of hypnosis, dissociation and multiple personality. He was a founder and past president of ISCEH, an international society in hypnosis. He was the president of the Society for Clinical and Experimental Hypnosis (SCEH), of the American Board of Psychological Hypnosis and of Division 30 (Hypnosis) of the American Psychological Association. Dr Watkins also served as clinical editor of the International Journal of Clinical and Experimental Hypnosis. He lectured all over the world and authored many ground breaking books and articles on hypnosis and psychotherapy, making him one of the leading theorists in the field.