Question: Yuri Linnik and Mark Naimark, are Soviet's from which occupation?
Sentence (from "Mark Naimark"): Mark Aronovich Naimark (Russian: Марк Ароно́вич Наймарк ) (5 December 1909 – 30 December 1978) was a Soviet mathematician who made important contributions to functional analysis and mathematical physics.
Relevant evidence: Yes