Pearl Cassel was educated at the Universities of London and Southampton, in the U.K., and in the University of Toronto. She is a student of Dr. Rudolf Dreikurs and is a founding director of the Alfred Adler Institute of Ontario. An internationally acclaimed public speaker, Pearl Cassel has conducted over 1000 Keynote speeches and workshops throughout North America. She is the author of many articles and books, including: Discipline Without Tears (with sales of over 300,000 copies in four languages), Why Kids Jump Over The Moon (Winner of the Elmer Huff Award, Ontario School Counsellors Association), and The Challenge Of Adolescence (Witers Award, Federation Of Women Teachers Of Ontario).
Dr Raymond Corsini was awarded a Ph.D. in non-directive therapy, having studied under Carl Rogers in the University of Chicago. There followed post-doctoral work under Rudolf Dreikurs in Adlerian Psychology. He became a professor of Education at the Illinois Institute of Technology; later, professor of Criminology at the University of California at Berkeley. His work experience went on to include ten years in correctional institutions, ten years in industrial psychology, and thirty years in private practice. Now retired, Dr. Corsini has edited or written five books on education as well as twenty other books on psychology. His titles include: Critical Incidents In Teaching; Critical Incidents In School Counseling; Alternative Educational Systems; Comparative Educational Systems; and Theories of Learning. He is also the author of the four-volume Encyclopedia of Psychology.