(July 7, 1929 – November 30, 2003) was a Russian scholar, Doctor of Philology, specialist in Byzantine studies. (July 7, 1929 – November 30, 2003) was a Russian scholar, Doctor of Philology, specialist in Byzantine studies. (July 7, 1929 – November 30, 2003) was a Russian scholar, Doctor of Philology, specialist in Byzantine studies.