Question: What is the collaborational pen name of the Russian poet on whose novel "The Night of Devils" is loosely based on?
Sentence (from "Ruvim Frayerman"): Ruvim Isayevich Frayerman (Рувим Исаевич Фраерман, 22 September 1891, in Mogilyov, Russian Empire, – 28 March 1972, Moscow, USSR) was a Soviet writer, poet, essayist and journalist.
Relevant evidence: No