Pedagogics (Vol. I, 1927; Vol. II 1933, 9th ed. 1991). With the help of Max Frischeisen-Köhler, the co-edited Volume III of Friedrich Ueberweg Grundriß der Geschichte...

philosophy at the University of Halle-Wittenberg as successor of Max Frischeisen-Köhler [de]. Although he had converted to Protestantism, he was considered...