Max Heindel (1865–1919), born Carl Louis von Grasshoff in Denmark, was a Christian mystic, astrologer, and founder of The Rosicrucian Fellowship. After emigrating to the United Sta...view moreMax Heindel (1865–1919), born Carl Louis von Grasshoff in Denmark, was a Christian mystic, astrologer, and founder of The Rosicrucian Fellowship. After emigrating to the United States, Heindel became involved in metaphysical circles and studied occult philosophy, eventually aligning with the Western esoteric Christian tradition. His most significant work, The Rosicrucian Cosmo-Conception, published in 1909, presents a comprehensive spiritual worldview integrating Christian mysticism, astrology, reincarnation, and spiritual evolution. The book aims to explain humanitys place in the cosmos and the spiritual laws governing existence, emphasizing personal moral development and service to others. Heindel claimed to have received inspiration and instruction from the Elder Brothers of the Rosicrucian Order, positioning himself as a messenger of esoteric wisdom adapted for the modern world. His teachings continue to influence New Age spirituality and Western occultism, especially among those seeking a spiritual synthesis of science, mysticism, and ethical Christianity.view less