Nikolay Sergeyevich Poznyakov (Pozdnyakov)
1893 - 1969
Russian poet and translator. Co-founder of Prokudin-Gorsky's Yelka photo studio (1924) and co-author of several Prokudin-Gorsky’s patents in 1924-26. According to some information, an agent of Joint State Political Directorate (OGPU) in France. In the end of 1930s returned to the USSR, in 1948 arrested.