Sergey Prokudin-Gorsky
Sergey Mikhaylovich Prokudin-Gorsky (, ;  – September 27, 1944) was a Russian chemist and photographer. He is best known for his pioneering work in colour photography and his effort to document early 20th-century Russia.
Michel Garder
Michel Garder (20 October 1916 – 3 May 1993) was a French author and military man who predicted in 1965 that the Soviet Union would collapse by 1970. He made this prediction in his book "L'Agonie du Regime en Russie Sovietique" ("The Death Struggle of the Regime in Soviet Russia").