MANN, William Julius, theologian, born in Stuttgart, Germany, 29 May, 1819. He received his classical training at Stuttgart, studied theology at the University of Tubingen, and was ordained to the Lutheran ministry in 1841. He came to this country in 1845 with Dr. Philip Schaff, whose intimate friend he has been for years. In 1850 he became assistant pastor of St. Michael's and Zion's congregation in Philadelphia, and from 1863 till 1884 he was pastor, retiring in the latter year, as pastor emeritus, in order to devote his time to literary labors. He has been professor of Hebrew ethics and symbolics in the Lutheran theological seminary at Philadelphia since its establishment in 1864. He received the honorary degree of D. D. from Pennsylvania college in 1857. Dr. Mann is a ready writer and an eloquent pulpit orator. He enjoys a national reputation as an oriental scholar, especially in Hebrew. He was the chairman of the committee of the ministerium of Pennsylvania in 1866 that reported favorably for the organization of the general council, and in the same year, with others, he issued the fraternal address that called all conservative Lutheran synods to Reading for the purpose of organizing the new body. He is the author of "Plea for the Augsburg Confession" (Philadelphia, 1856) ; "Lutheranism in America" (1857) : "Luther's Small Catechism Explained," with Dr. Gottlob F. Krotel (1863); an abridgment of Sehmid's " System of Christian Ethics" (1872); "Vergangene Tagen, aus den Zeiten Muhlenbergs" (Allentown, 1879); "The Lutheran Church and its Confessions" (1880); "Heilsbotschaft," a volume of sermons (Philadelphia, ]881); " Das Buch der Bucher und seine Geschichte" (Reading, 1885); and "Life and Times of Henry Melchior Muhlenberg" (Philadelphia, 1887). He has also assisted in editing, with notes, " Hallesche Nachrichten." He writes the editorials of "Herold und Zeitschrift," a German weekly published at Allentown, and frequent articles for periodicals.