their esoteric interests ran the gamut, including research into alchemy, Kabbalah, the I-Ching, astrology, sacred geometry, legends of the Holy Grail, Sufi mysticism, Tibetan Tantra, and Zen Buddhism, as well as the writings of Carl Jung, Robert Graves, Helena Blavatsky, and Meister Eckhart. They also attended meetings of the followers of mystics G. I. Gurdjieff and P. D. Ouspensky.
