Nikolay Semyonov

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2026-06-23

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Nikolay Nikolayevich Semyonov , sometimes Semenov, Semionov or Semenoff (Russian: Никола́й Никола́евич Семёнов; 15 April [O.S. 3 April] 1896 – 25 September 1986) was a Soviet physicist and chemist. Semyonov was awarded the 1956 Nobel Prize in Chemistry for his work on the mechanism of chemical transformation.