As far as I could tell it's Lieutenant Kolobanov in his (no. 864) and 4 other KV-1's that held up the German advance (8th Panzer Division) at Krasnogvardeysk (Gatchina) near Leningrad (St Petersburg). His unit belonged to the 20th heavy tank brigade, 1st tank division.
Source:
http://en.wikipedia.org/wiki/Zinoviy_Kolobanov
http://www.wio.ru/tank/ww2tank.htm
http://junebarbarossa.devhub.com/blo...turmovoi-tank/
http://www.wio.ru/tank/ww2aces.htm