newspaperman, editor, author, b. Potsdam, Prussia. He migrated to the U.S. and New York City about 1870, and in 1873 settled in Milwaukee. He was editor-in-chief of George Brumder's German-language newspaper, Germania (1873-1897), and in this capacity fought the Bennett school law of 1889 on behalf of the German Lutherans. Koeppen helped found the Society of German-American Journalists and Writers (1882) and the German Journalists' Society (1884). He was a regent of the Univ. of Wisconsin (1878-1890), and was the author of German-French War, 1870-1871 (1890), and also wrote a biography of Bismarck (1898). H. L. Conard, ed., Hist. of Milwaukee (3 vols., Chicago [1896]); Milwaukee Germania, Jan. 26, 27, 1897; Milwaukee Journal, Jan. 26, 1897; WPA field notes.Learn More
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[Source: Dictionary of Wisconsin biography]