ผู้เขียน: Sean OLaoire

Ralph Metzner, PhD, is a psychotherapist and professor emeritus at the California Institute of Integral Studies in San Francisco, CA. A recognized pioneer in studies of consciousness and its transformations, he collaborated with Timothy Leary and Richard Alpert (Ram Dass) in the study of psychedelic drugs at Harvard University in the 1960s, and coauthored The Psychedelic Experience. Metzner has authored, coauthored, and edited several books, including The Unfolding Self, The Well of Remembrance, Green Psychology, Maps of Consciousness, The Roots of War and Domination, Sacred Vine of Spirits: Ayahuasca, Allies for Awakening, and Birth of a Psychedelic Culture, among others. Learn more online at www.greenearthfound.org