Question: Aleksandr Khinchin and Nikolai Chebotaryov were both what?
Sentence (from "Aleksandr Khinchin"): Aleksandr Yakovlevich Khinchin (Russian: Алекса́ндр Я́ковлевич Хи́нчин , French: "Alexandre Khintchine" ; July 19, 1894 – November 18, 1959) was a Soviet mathematician and one of the most significant people in the Soviet school of probability theory.
Relevant evidence: Yes