Cyrus Adler (ăd´lər), 1863–1940, American Jewish educator, grad. Univ. of Pennsylvania, 1883, Ph.D. Johns Hopkins, 1887. He taught Semitic languages at Johns Hopkins from 1884 to 1893. He was for a number of years librarian and then secretary of the Smithsonian Institution, was the founder of the American Jewish Historical Society, was one of the editors of the Jewish Encyclopedia, and edited the American-Jewish Year-Book after 1899. He was president of Dropsie College from 1908 to 1940 and of the Jewish Theological Seminary after 1924. He was a founder of the American Jewish Committee and of the Jewish Welfare Board. His writings include a number of articles on comparative religion, Assyriology, and Semitic philology; Jews in the Diplomatic Correspondence of the United States (1906), and, with Allan Ramsay, Told in the Coffee House (1898).
See biography by A. A. Neuman (1942).