Ralph Metzner (1936-2019) is world-renowned as a pioneer in the study of consciousness and transformative experience. He worked with Timothy Leary and Richard Alpert on psychedelic research at Harvard, where he received a Ph.D. in Clinical Psychology. He has since practiced psychotherapy and pursued research in consciousness studies in a variety of settings. He taught at the California Institute of Integral Studies, where he was Academic Dean for 10 years. His other books include The Psychedelic Experience, Maps of Consciousness, and The Well of Remembrance.