Underlying Sergei O. Prokofieff's life's work was a fundamental research-theme to which he returned to repeatedly: the individuality of Rudolf Steiner as manifested through his past incarnations on Earth. Beginning in 1982, inspired by a visit to an exhibition on The Epic of Gilgamesh, Prokofieff planned a full-scale spiritual biography with the intention of finding an answer to the question: Who is Rudolf Steiner? In a sequence of five past incarnations - as indicated by Steiner himself - and culminating in the life of Rudolf Steiner, Prokofieff searched for the inner thread between the six...