James Lester Mauthe, American steel executive. Recipient David Ford McFarland award for achievement in Metallurgical, Pennsylvania State chapter American Society Metals; American Iron & Steel Institute medal, public works on metallurgical. Member Association Iron and Steel Engineers, American Iron and Steel Institute, Phi Sigma Kappa.
Assistant superintendent blast furnaces National Tube Company, McKeesport, Pennsylvania, 1914-1917, superintendent blast furnaces, Lorain, O., 1921-1930, assistant general superintendent, 1930-1935. Superintendent blast furnaces Midvale Steel Company, Coatesville, Pennsylvania, 1917-1918. Assistant superintendent blast furnaces Illinois Steel Company, Gary, Indiana, 1919-1920.
Assistant general superintendent The Youngstown Sheet i& Tube Company (O.), 1935-1937, general superintendent, 1937-1943, vice president operations, 1943-1950, director, 1948-1964, president, 1950-1956, Chairman of the Board, chairman of the executive committee, 1956-1963, officer or director various subsidiaries. Director Interlake S.S. Company, Youngstown Steel Door Company Trustee, member Executive Committee Pennsylvania State University, Youngstown U.