HAGEN, FRIEDRICH HEINRICH VON DER (178o 1856), German philologist, was born at Schmiedeberg, Branden burg, on Feb. 19, 1780, and died at Berlin, where he was pro fessor of German literature, on June 1856. His numerous edi tions of old German poetry, notably his Minnesinger (Leipzig, 1838-56, 4 vols. in 5 parts), Gesamtabenteuer (Stuttgart, 1850, 3 vols.) and Das Heldenbuch (Leipzig, 1855), aroused new in terest in the subject.
His correspondence with C. G. Heyne and G. F. Benecke was pub lished by K. Dziatzko (Leipzig, 1893).