He was General Secretary of the Workers ' Union from 1900 to 1929 .
Charles Duncan ( 8 June 1865 -- 6 July 1933 ) was a British Labour Party politician and trade unionist .
Charles Duncan was politician   of the Workers ' Union from 1900 to 1929 .
Charles Duncan ( 8 June 1865 -- 6 July 1933 ) was a British Labour Party politician and trade unionist .