Frank Duffy (labor leader)
Frank Duffy (6 May 1861 – 11 July 1955) was an American labor leader and secretary-general of the United Brotherhood of Carpenters and Joiners of America from 1901 to 1950.
Frank Duffy (6 May 1861 – 11 July 1955) was an American labor leader and secretary-general of the United Brotherhood of Carpenters and Joiners of America from 1901 to 1950.