Question: Who was born first, Georgy Voronoy or Lev Schnirelmann? 
Sentence (from "Ivan Ivanov (mathematician)"): Ivan Ivanovich Ivanov (Russian: Иван Иванович Иванов ; 11 August 1862 – 17 December 1939) was a Russian-Soviet mathematician who worked in the field of number theory.
Relevant evidence: No