• Born date: 1849-02-22
  • Born in: Russian empire
  • Death date: 1915-02-27
  • Death in: Russian empire
Nikolay Yakovlevich Sonin

Nikolay Yakovlevich Sonin (February 22, 1849 – February 27, 1915) was a Russian mathematician.He was born in Tula and attended Lomonosov University, studying mathematics and physics there from 1865 to 1869. His advisor was Nikolai Bugaev. He obtained a Master's Degree with a thesis submitted in 1871, then he taught at the University of Warsaw where he obtained a doctorate in 1874. He was appointed to a chair in the University of Warsaw in 1876. In 1894, Sonin moved to St.