Career
Born in Hohenstein, Province of Prussia, he taught as a professor at the Kiel University (from 1902), Breslau University (from 1906), Göttingen University (from 1909). He was co-author of an edition on Philo of Alexandria, "Philonis Alexandrini opera quae supersunt" (6 volumes, 1896-1915). With Otto Kern, he published "Beiträge zur Geschichte der griechischen Philosophie und Religion" (1895).
He died in Göttingen.