DUMMLER, ERNST LUDWIG German historian, the son of Ferdinand Diimmler (1777-1846), a Berlin bookseller, was born in Berlin, on Jan. 2, 1830. He studied at Bonn under J. W. Lobell (1786-1863), under L. von Ranke and W. Wattenbach. He entered the faculty at Halle in 1855, became professor extraordinary (1858), and full professor (1866). In 1875 he became a member of the revised committee directing the Monumenta Germaniae historica, himself undertaking the direc tion of the section Antiquitates, and in 1888 became presideat of the central board in Berlin. His great work was the Geschiclite des ost f rdnkisc/ien Reiches (1862-65, in 2 Vols.; 2nd ed. 1887-88, in 3 vols.). In conjunction with Wattenbach he completed the Monumenta Alcuiniana (1873), which had been begun by Philipp Jaffe, and with R. Kopke he wrote Kaiser Otto der Grosse (Leip zig, 1876). He edited the first and second volumes of the Poetae latini nevi Carolini for the Monumenta Germaniae historica (1881-84). DUmmler died in Berlin on Sept. I 1, 1902.