Photo by M. Konarsky, Moscow, Russia, 1888 6.4 х 10.5 cm Autographed on back Nikolai Dorofeevich TITOV (1861 or 1864 – after 1917) was a Russian physician, Citizen of Honor, and titular councilor. He graduated from the Medical School of Moscow Univeristy and held a practice in Moscow. TITOV, N. D. (Титов Н.Д.)