He was a researcher of the Zoological Institute of the Russian Academy of Sciences.
Yaroslav the Wise | Yaroslav Senyshyn | Yaroslav Trofimov | Yaroslav Osmomysl | Yaroslav | Yaroslav Vsevolodovich | Yaroslav Popovych | Yaroslav Ognev | Yaroslav II of Vladimir | Yaroslav II of Kiev | Yaroslav Horak | Order of Prince Yaroslav the Wise |