The Rosicrucian Cosmo-Conception, or, Mystic Christianity. An elementary treatise upon man's past evolution, present constitution and future development. By Max Heindel, born Carl Louis von Grasshoff in Aarhus, Denmark on July 23, 1865. He was a Christian occultist, astrologer, and mystic. This book is a reference work in the Christian mysticism practice and in the Occult study literature, containing the fundamentals of Esoteric Christianity from a Rosicrucian perspective. The Cosmo contains a comprehensive outline of the evolutionary processes of man and the universe, correlating science with religion.