Roy Mason swapped the colliery for Westminster when elected MP for Barnsley in 1953. He went on to become one of the leading figures in the Labour Party during the 1960s and 1970s, holding a number of prestigious offices including Defence Secretary from 1974 and Secretary of State for Northern Ireland from 1976. This photographic biography presents images from Mason's own archive charting his personal and political life from the Yorkshire pits to the House of Lords.