Cyrus Adler Sitting, by Unknown, c. 1890, Smithsonian Archives - History Div, Cyrus Adler sits with his hands, a little further apart, in his lap. Adler was the honorary assistant curator for the Department of Semitics at the United States National Museum of the Smithsonian Institution in Washington, D.C., from 1888 until 1893. At the Smithsonian, Adler also served as curator of Historic Archaeology and Historic Religions from 1889 to 1898, librarian from 1892 to 1905, and assistant secretary from 1905 to 1908..