David Spiegel

About the Author

David Spiegel, M.D. (Professor, Stanford School of Medicine), is a psychiatrist and author known for the study in which this book is rooted and for his related work on dissociation and hypnosis.

Catherine Classen, Ph.D. (Professor, Stanford School of Medicine), collaborates with him on researching the benefits of group psychotherapy and conducts workshops for cancer patients internationally.