Question: Which mathematician, Boris Trakhtenbrot or Mikhail Leonidovich Gromov, was born first?
Sentence (from "Mikhail Slonimsky"): Mikhail Leonidovich Slonimsky (Russian: Михаи́л Леони́дович Слони́мский ; 1 August [O.S. 20 July] 1897 – 8 October 1972) was a Soviet writer, member of the Serapion Brothers group.
Relevant evidence: No