"British political philosopher and historian of ideas; liberal thinker; Professor of Social and Political Theory; wrote on positive and negative liberty, value pluralism, Enlightenment and Counter-Enlightenment" . "1909-06-06Z"^^ . "Sir Isaiah Berlin OM, CBE, FBA (6 June 1909 \u2013 5 November 1997) was a Russo-British Jewish social and political theorist, philosopher and historian of ideas, \"thought by many to be the dominant scholar of his generation\". He excelled as an essayist, conversationalist and raconteur; and as a brilliant lecturer who improvised, rapidly and spontaneously, richly allusive and coherently structured material."@en . "Berlin, Isaiah"@en . . . . "1909Z"^^ . "1997-11-05Z"^^ . . . . "1997Z"^^ . . . . . "Sir Isaiah Berlin"@en . . . .