David R. Hawkins, MD, PhD, was Director of the Institute for Spiritual Research, Inc., and Founder of the Path of Devotional Nonduality. He was renowned as a pioneering researcher in the field of consciousness, as well as author, lecturer, clinician, physician and scientist. He served as an adviser to Catholic, Protestant and Buddhist monasteries; appeared on major network television and radio programmes; and lectured widely at such places as Westminster Abbey, the Oxford Forum, the University of Notre Dame and Harvard University. www.veritaspub.com