Question: Who is Matvei Petrovich Bronstein's father-in-law?
Sentence (from "Matvei Petrovich Bronstein"): Matvei Petrovich Bronstein (Vinnytsia – February 18, 1938) was a Soviet theoretical physicist, a pioneer of quantum gravity, author of works in astrophysics, semiconductors, quantum electrodynamics and cosmology, as well as of a number of books in popular science for children.
Relevant evidence: No