People Russia Pyotr Semyonov-Tyan-Shansky peoplepill id: pyotr-semyonov-tyan-shanskyPS 11 views today 4 views this weekRussian geographer, art collector and statisticianPyotr Semyonov-Tyan-ShanskyBiographyGallery (2)ListsAlso ViewedFrom our partnersSponsoredPyotr Semyonov-Tyan-Shansky