Nikolai Aleksandrovich Tretyakov (Russian: ?????????, ??????? ?????????????; 2 October 1854 – 5 February 1917) was a military engineer and general in the Imperial Russian Army, noted for his heroic role in the Siege of Port Arthur during the Russian-Japanese War.
Author: Unknown Source: Tretyakov, Nikolai. “My Experiences at Nan-Shan and Port Arthur with the Fifth East Siberian Rifles”, London, 1911 License: CC-PD-Mark PD Old