What collection of papers by a Russian-British social and political theorist appeared in 1969?
Isaiah Berlin Sir Isaiah Berlin (6 June 1909 – 5 November 1997) was a Russian-British social and political theorist, philosopher and historian of ideas. He was an essayist, conversationalist, raconteur, and lecturer. In its obituary of the scholar, the "Independent" stated that "Isaiah Berlin was often described, especially in his old age, by means of superlatives: the world's greatest talker, the century's most inspired reader, one of the finest minds of our time [...] there is no doubt that he showed in more than one direction the unexpectedly large possibilities open to us at the top end of the range of human potential".
Boris Parygin Boris Dmitrievitch Parygin (Russian: Борис Дмитриевич Парыгин) (19 June 1930 – 9 April 2012) was a Soviet and Russian philosopher, sociologist and one of the founders of social psychology and member of a wide range of international academies. Parygin was a specialist in a sphere of philosophical and psychological problems of social psychology – its history, methodology, theory and praxeology.