EMERTON, EPHRAIM: Unitarian; b. at Salem, Mass., Feb. 18, 1851. He studied at Harvard (B.A., 1871) and the universities of Berlin and Leipsic (Ph.D., 1877), and became instructor in history and German in Harvard University (1876), instructor in history (1878), and (1882) Winn professor of ecclesiastical history. He has written Introduction to the Study of the Middle Ages (Boston, 1888); Mediæval Europe, 814-1300 (1894); and Desiderius Erasmus (New York, 1899).