This third volume of Peter Selg's comprehensive presentation of Rudolf Steiner's life and work begins with Steiner's invitation to lecture in the Theosophical Society during the summer of 1900. From the outset of his theosophical involvement, Steiner was resolved to serve and develop the Western path to the spirit, traversed in full, conscious clarity of thought. He was therefore critical of the tendency to avoid the modern standards of a sound knowledge process in matters of spirituality and esotericism, and instead emphasized the importance of idealist philosophy as groundwork for...