William A. Richards (Bill), Chief Therapist at Sunstone Therapies, has contributed to psychedelic research since 1963, at the University of Göttingen, the Maryland Psychiatric Research Center, the Johns Hopkins Center for Psychedelic & Consciousness Research, and Sunstone Therapies; he also teaches at the California Institute of Integral Studies. His graduate degrees include studies in theology and the psychology of religion; his mentors include Huston Smith, Abraham Maslow and Hanscarl Leuner. With colleagues, he has implemented projects with LSD, DPT, MDA and psilocybin in the treatment of alcoholism, depression, narcotic addiction, the distress associated with terminal cancer, and also their use with healthy volunteers. His recent research at Johns Hopkins has focused on the potential value of psilocybin in the continuing education of professional religious leaders from different world religions. His book, Sacred Knowledge: Psychedelics and Religious Experiences, now has been translated into multiple languages.