Konstantin Konstantinovich Romanov
1858 - 1915 (Pavlovsk)
Grand Duke. One of Prokudin-Gorsky’s patrons. On February 11, 1910 a memorandum was filed by S. M. Prokudin-Gorsky to Grand Duke Konstantin Konstantinovich with a request for help in publishing an album characterizing the Mariinsky waterway and the Middle Urals.