Question: What Georgian-born dictator did Georgy Flyorov direct a letter to?
Sentence (from "Georgy Flyorov"): Georgy Nikolayevich Flyorov (Russian: Гео́ргий Никола́евич Флёров ; ] ; 2 March 1913 – 19 November 1990), was a Russian physicist who is known for his discovery of the spontaneous fission and his contribution towards the physics of thermal reactions.
Relevant evidence: No