Education
Saint St. Petersburg State University.
biologist entomologist geographer
Saint St. Petersburg State University.
He was the son of Pyotr Semyonov-Tyan-Shansky. He entered the Saint St. Petersburg University in 1885. In 1888 and 1889 he traveled to the Transport-Caspian and Turkestan regions in search of insects, then in 1890 became a curator at the Imperial Academy of Sciences.