A comprehensive exploration of the Jewish adherents of the Theosophical Society and their impact on modern Jewish culture and the development of modern forms of Kabbalah. The Secret Doctrine of the Jews offers the first comprehensive study of Jewish followers of the Theosophical Society, the highly influential global esoteric movement that was established in New York in 1875. The book presents a detailed examination of the major Jewish followers of the Theosophical Society and the formation of Jewish lodges and associations within its framework. It discusses the endeavors of Jewish theosophist to reconcile their Jewish identity with their theosophical convictions and to create new, theosophical inspired interpretations of Kabbalah. The book aims to underscore the role of Jewish theosophists within the Theosophical Society and explore their impact on modern Jewish culture—particularly their influence on the development of modern perspectives and forms of Kabbalah. The monograph makes significant contributions to research is several areas, including the global history of the Theosophical Society, modern Jewish religious movements, and the development and dissemination of modern forms of Kabbalah during the twentieth century.