1974. Gavin Strang MP speaking at the RDG's 'Black and White Oil Conference'. Joseph Beuys and Buckminster Fuller in audience. Edinburgh Arts 1974.

19 - 21 August 1974. Member of Parliament Gavin Strang(standing, centre), then Parliamentary Under Secretary of State for Energy, speaking at the RDG's Black and White Oil Conference in the Forrest Hill Poorhouse, Edinburgh. Joseph Beuys (right) and Buckminster Fuller (seated second from left) in audience. Edinburgh Arts 1974.