Boris Pasternak and Jean-Paul Sartre were both what?
Jean-Paul Sartre Jean-Paul Charles Aymard Sartre ( ; ] ; 21 June 1905 – 15 April 1980) was a French philosopher, playwright, novelist, political activist, biographer, and literary critic. He was one of the key figures in the philosophy of existentialism and phenomenology, and one of the leading figures in 20th-century French philosophy and Marxism.
Boris Souvarine Boris Souvarine, also known as Varine (born Boris Konstantinovich Lifschitz, Russian: Бори́с Константи́нович Ли́фшиц ; 1895 in Kiev – 1 November 1984 in Paris), was a French Marxist, communist activist, essayist, and journalist.