Nikolay Yakovlevich Sonin

Nikolay Yakovlevich Sonin was a Russian mathematician.

22 February 1849

Born on the same birth day (22 February): Brett Emerton • Georgios Printezis • Giulietta Masina • Gus Lesnevich • Harvey Mason • Jonathan Borlée • Robert Baden-Powell, 1st Baron Baden-Powell • Savielly Tartakower • Scott Phillips (musician)

Born in the same month (February 1849): Alexander Kielland • Jean Richepin • Joseph Favre • Lord Randolph Churchill • Pavol Országh Hviezdoslav • Rickman Godlee