RRR León Tolstoi de Karl Bulla, 1908, edición vitalicia. Última foto.
Carl Oswald Bulla or Karl Karlovich Bulla (Russian: Карл Карлович Булла; 26 February 1855 or 1853 – 28 November 1929) was a German-Russian photographer, often referred to as the "father of Russian photo-reporting".