Allan V. Horwitz is Professor of Sociology and Dean of Social and Behavioral Sciences at Rutgers University. He is the author of many articles and a number of books on various aspects on mental illness, including The Social Control of Mental Illness, The Logic of Social Control, and Creating Mental Illness. Jerome C. Wakefield is University Professor and Professor of Social Work at New York University, and he has also taught at the University of Chicago, Columbia University, and Rutgers University. He is an authority on the intersection between philosophy and the mental health professions and the author of many articles on diagnosis of mental disorder.