Louis Menand, professor of English at Harvard University, is the author of The Metaphysical Club, which won the 2002 Pulitzer Prize in History. A longtime staff writer for The New Yorker, he lives in Cambridge, Massachusetts.Jean Knox is a psychiatrist and psychotherapist in private practice in Oxford, England. She is Senior Member and Training Therapist of the British Association of Psychotherapists, a Training Analyst of the Society of Analytical Psychology, Consultant Editor of the Journal of Analytical Psychology, and Honorary Senior Lecturer at the University of Kent.