Leo Tolstoy, Tolstoy also spelled Tolstoi, Russian in full Lev Nikolayevich, Graf (count) Tolstoy, (born August 28 September 9, New Style], 1828, Yasnaya Polyana, Tula province, Russian Empire--died November 7 November 20], 1910, Astapovo, Ryazan province), Russian author, a master of realistic fiction and one of the world's greatest novelists. Tolstoy is best known for his two longest works, War and Peace (1865-69) and Anna Karenina (1875-77),...