Lecture XII

We will take another very well-known personality, Ernst Haeckel. Ernst Haeckel is famous as an enthusiastic adherent of a certain materialistic Monism—enthusiastic, one may say, to the point of fanaticism. He is well enough known to you; I need not give you any description of Haeckel. Now when we are led back from this personality to a former incarnation, we come to Pope Gregory VII, the monk Hildebrand, who afterwards became Pope Gregory VII.