John A. Rush, Ph.D., N.D.,is a retired professor of anthropology and naturopathic doctor. He is the author of many books, including Spiritual Tattoo, The Twelve Gates, and The Mush...visualizza altroJohn A. Rush, Ph.D., N.D.,is a retired professor of anthropology and naturopathic doctor. He is the author of many books, including Spiritual Tattoo, The Twelve Gates, and The Mushroom in Christian Art, as well as the editor of several books, including Entheogens and the Development of Culture. He lives in Orangevale, California.visualizza meno