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 Balinsky Boris Ivan Balinsky (23 September 1905 Kyiv, Russian Empire – 1 September 1997, Johannesburg, South Africa) was a Ukrainian and South African biologist, embryologist, entomologist, professor of Kiev University and University of the Witwatersrand. Pioneer researcher in the field of experimental embryology, electron microscopy and developmental biology. He was author of popular textbook in embryology "An Introduction to Embryology".