
(1880-1956): Presidente da International Photo-Engravers Union of North America de 1906 até 1929 e vice-presidente da American Federation of Labor (AFL) de 1919 até 1955 e vice-presidente da AFL-CIO de 1955 até 1956.
(1880-1956): Presidente da International Photo-Engravers Union of North America de 1906 até 1929 e vice-presidente da American Federation of Labor (AFL) de 1919 até 1955 e vice-presidente da AFL-CIO de 1955 até 1956.