Background
He was married to Lydia Kowalevsky, the youngest daughter of Alexander Kovalevsky.
He was married to Lydia Kowalevsky, the youngest daughter of Alexander Kovalevsky.
Shevyakov studied under Konstantin Mereschkowski in Saint St. Petersburg and Otto Bütschli at the University of Heidelberg.
He was a professor at Saint St. Petersburg University until 1911 when he left science and became a vice-minister in the government of Tzar Nicholas.During the revolution he and his family moved first to Permanent in Ural and in 1920 he became professor in Irkutsk. He is mainly known for his work on Radiolaria, Ciliata and Acantharea. He described many taxa.
Most of his publications are under the German spelling of his name which is Number.
Academy of Sciences of the Union of the Soviet Socialist Republics. Russian Academy of Sciences.