Question: Were Jon Walker and Semyon Vengerov from the same country?
Sentence (from "Semyon Vengerov"): Semyon Afanasievich Vengerov (Семён Афанасьевич Венгеров; 1855, Lubny, Poltava Governorate – 1920) was the preeminent literary historian of Imperial Russia.
Relevant evidence: Yes