Question: What is the date of birth of Vsevolod Gantmakher's father?
Sentence (from "Felix Gantmacher"): Felix Ruvimovich Gantmacher  (23 February 1908 – 16 May 1964) was a Soviet mathematician, professor at Moscow Institute of Physics and Technology, well known for his contributions in mechanics, linear algebra and Lie group theory.
Relevant evidence: Yes