Something about this (emphasis more on problems for people with Jewish ancestry in the Soviet Union) can be found here: https://www.amazon.de/Love-Math-Heart-H

Something about this (emphasis more on problems for people with Jewish ancestry in the Soviet Union) can be found here: https://www.amazon.de/Love-Math-Heart-Hidden-Reality/dp/B00NTQW7L2/ https://www.amazon.de/Love-Math-Heart-Hidden-Reality/dp/B00N... from someone, born in the system: https://en.wikipedia.org/wiki/Edward_Frenkel https://en.wikipedia.org/wiki/Edward_Frenkel