(shwĕl´enbäk) , 1894-1948, American cabinet officer, b. Superior, Wis. After serving (1935-40) in the U.S. Senate, he was appointed (1940) U.S. district judge in Washington state. As Secretary of Labor (1945-48) under President Truman, he reorganized the Dept. of Labor and opposed congressional legislation curbing labor union activity.