What collection of papers by a Russian-British social and political theorist appeared in 1969?
Two Concepts of Liberty "Two Concepts of Liberty" was the inaugural lecture delivered by the liberal philosopher Isaiah Berlin before the University of Oxford on 31 October 1958. It was subsequently published as a 57-page pamphlet by Oxford at the Clarendon Press. It also appears in the collection of Berlin's papers entitled "Four Essays on Liberty" (1969) and was more recently reissued in a collection entitled simply "Liberty" (2002).
Boris Zilber Boris Zilber (Russian: Борис Иосифович Зильбер , born 1949) is a Soviet-British mathematician who works in mathematical logic (specifically model theory). He is a professor of mathematical logic at the University of Oxford.