Example image of eyePlorer eyePlorer map for 'Social Democratic Party (UK)': Political party United Kingdom David Owen Gang of Four Labour Party (UK) Roy Jenkins Shirley Williams, Baroness Williams of Crosby William Rodgers, Baron Rodgers of Quarry Bank Member of Parliament President of the European Commission Constituency Left-wing politics Parliamentary group Political faction Trotskyism United Kingdom constituencies Liberal Party (UK) SDP-Liberal Alliance Liberal Democrats Social Democratic Party (UK, 1988) Campaign for Democratic Socialism European Commission Gaitskellism Richard Dimbleby Lecture Europe Social democracy Militant tendency Blyth Valley (UK Parliament constituency) Dick Taverne, Baron Taverne Eddie Milne Lincoln (UK Parliament constituency) Constituency Labour Party European Union Democratic Labour Lincoln by-election, 1973 Campaign for Social Democracy Conservative Monday Club Jonathan Guinness, 3rd Baron Moyne British National Front Tony Benn Conservative Party (UK) Chancellor of the Exchequer Denis Healey James Callaghan Michael Foot Anthony King (professor) Ivor Crewe Michael Thomas (politician) George Robertson, Baron Robertson of Port Ellen Hamilton (UK Parliament constituency)