Title: Nikolaĭ Nikolaevich Semenov--vydai︠u︡shchiĭsi︠a︡ uchenyĭ i organizator atomnogo proekta SSSR
Subjects: Chemists, Atomic bomb, Nuclear weapons, Biography, History
Places: Russia (Federation), Soviet Union
People: N. N. Semenov (1896-1986)