Question: What area of mathematics did both Lev Schnirelmann and Yuri Linnik work on?
Sentence (from "Lev Schnirelmann"): Lev Genrikhovich Schnirelmann (also Shnirelman, Shnirel'man; "Лев Ге́нрихович Шнирельма́н" ; January 2, 1905 – September 24, 1938) was a Soviet mathematician who worked on number theory, topology and differential geometry.
Relevant evidence: Yes