lawyer, businessman, manufacturer, b. Schlesingen, Germany. He migrated to the U.S. and to Wisconsin in 1872, settling in Two Rivers. He worked for a number of years in Indianapolis, Milwaukee, and Louisville, and graduated from the Univ. of Louisville (LL.B., 1884). He was admitted to the bar, and practiced law in Wichita, Kans., for several years, where he also speculated in real estate and manufactured vinegar. In 1895 he returned to Wisconsin to found the Aluminum Manufacturing Co. at Two Rivers. This company, the first aluminum fabricating plant in Wisconsin, was merged with other firms in 1908 to become the Aluminum Goods Manufacturing Co. Koenig was an officer in this firm for many years, and held numerous patents on aluminum products, including the U.S. army canteen used during World War I. He retired from active business life shortly before his death, and lived in retirement in Two Rivers. L. Falge, ed., Hist. of Manitowoc Co. (2 vols., Chicago [1912]); F. L. Holmes, et al., eds., Wis. (5 vols., Chicago, 1946); Manitowoc Herald-News, July 7, 1923, Nov. 15, 1929.

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[Source: Dictionary of Wisconsin biography]