Danny Wedding trained as a clinical psychologist at the University of Hawaii and the University of Mississippi Medical Center. He later worked for the U.S. Congress, first in the Senate and later in the House of Representatives. Dr. Wedding directed the Missouri Institute of Mental Health (MIMH), a University of Missouri university research and policy center, for 19 years, and taught in both Thailand and South Korea as a Fulbright Senior Scholar.

He served as CSPP Associate Dean for International Programs at Alliant International University in San Francisco, and was responsible for graduate Psychology programs in Tokyo, Hong Kong and Mexico City. He also spent three years teaching for the American University of Antigua, a Caribbean medical school.

Dr. Wedding has written or edited 13 books, including CURRENT PSYCHOTHERAPIES, CASE STUDIES IN PSYCHOTHERAPY, BEHAVIOR AND MEDICINE, THE NEUROPSYCHOLOGY HANDBOOK, SCREENING FOR BRAIN IMPAIRMENT, HANDBOOK OF INTERNATIONAL PSYCHOLOGY, MOVIES AND MENTAL ILLNESS and POSITIVE PSYCHOLOGY AT THE MOVIES. He edited PsycCRITIQUES, APA's journal of book and film reviews, for 12 years, and he is the senior editor for the Society of Clinical Psychology's book series on ADVANCES IN EVIDENCE BASED PRACTICE.

Raymond Corsini received a B.A. and M.A. at the City College of New York. He did his doctoral training at Syracuse University, Cornell University, University of California and University of Wisconsin, and obtained a Ph.D. at age 41 from the University of Chicago under Carl Rogers. His main teacher was Rudolf Dreikurs, an Adlerian.

He had three separate careers: as a prison psychologist, then as an industrial psychologist and finally in private practice of psychotherapy and counseling. He taught courses at over a dozen universities and full time at the University of Chicago, Illinois Institute of Technology and the University of California at Berkeley.

He published over 60 books under 43 titles, including four encyclopedias and the most complete dictionary of Psychology. He wrote or edited 18 books dealing with counseling and psychotherapy.