Rudolf Joseph Lorenz Steiner (1861 - 1925) was an Austrian philosopher, social reformer, architect, and esotericist. Steiner gained initial recognition at the end of the nineteenth century as a literary critic and published philosophical works including The Philosophy of Freedom. At the beginning of the twentieth century, he founded a spiritual movement, anthroposophy, with roots in German idealist philosophy and theosophy; other influences include Goethean science and Rosicrucianism. In this book: An Outline of Occult Science The Way of Initiation or, How to Attain Knowledge of the Higher Worlds Christianity as a Mystical Fact and The Mysteries of Antiquity