JOHN E. EXNER Jr., PHD, is the Director of Rorschach Workshops in Asheville, North Carolina, and Professor Emeritus at Long Island University. He is the Past President of the International Rorschach Society and curator of The Rorschach Archives and Museum in Bern, Switzerland. He is the author of numerous widely used articles and materials related to the Rorschach, including The Rorschach®: A Comprehensive System, Volume One: Basic Foundations and Principles of Interpretation (Wiley).

Philip Erdberg, PHD, ABPP, is an internationally renowned expert in the area of personality assessment. He is Past President of the Society for Personality Assessment and the 1995 recipient of the Society's Distinguished Contribution Award. He serves as a clinical and research consultant in a variety of therapeutic, educational, and correctional settings and is Chairman of the Rorschach Research Council.