Yasnaya Polyana
Valentin Fyodorovich Bulgakov (; 25 November 1886 in Kuznetsk, Russian Empire – 22 September 1966 in Yasnaya Polyana, Tula Oblast, Soviet Union) was the last secretary of Leo Tolstoy and his biographer. He was director of a number of literary museums and was engaged in Tolstoyan, pacifist activities. He was imprisoned by the Tsarist regime and in an Nazi internment camp. During the final 20 years of his life he was head of the Yasnaya Polyana museum.