Lev Tolstoy, pictured late in life Count Lev Nikolayevich Tolstoy   listen ? ( Russian : Лев Никола́евич Толсто́й ; commonly referred to in English as Leo Tolstoy ) ( September 9 , 1828 – November 20 , 1910 ; August 28, 1828 – November 7, 1910, O.S. ) was