Nikolay Maximovich Selivanov

An associate of Prokudin-Gorsky in the pre-revolutionary period (from 1905 to 1918). In 1908 he traveled with Prokudin-Gorsky to Yasnaya Polyana for the filming of Leo Tolstoy. Then he participated in many expeditions. After the revolution and until the end of his life, he worked at the State Optical Institute in Leningrad