“ HAGEN, FRIEDRICH HEINRICH VON DER (1780–1856) , German philologist, chiefly distinguished for his researches in Old German literature, was born at Schmiedeberg In Brandenburg on the 19th of February 1780. After studying law at the university of Halle, he obtained a legal appointment in the state service at Berlin, but in 1806 resigned this office in order to devote himself exclusively to letters. In 1810 he was appointed professor extraordinarius of German literature in the university of Berlin ”