Konstantin Yuon (1875-1958) was a Russian and Soviet painter. I'm only posting his Soviet-era works here; there are many pre-Revolutionary paintings by Yuon as well.
Gates of the Rostov Kremlin (1926)
Komsomol Girls. Young People of Moscow Suburbs (1926)
Military Parade in Red Square, 7th November 1941 (1949)
New Planet (1921)
Returning from Work (1930)
The Holiday of Cooperation in the Countryside (1928)
The Komsomol Girls (1926)