Nikolay Demyanov  Nikolay Yakovlevich Demyanov (; , Tver – March 19, 1938, Moscow), also known as Demjanov and Demjanow, was a Russian organic chemist and a member of the USSR Academy of Sciences (1929). He is internationally known for the Demjanov rearrangement organic reaction and other discoveries. He was a recipient of the Lenin Prize in 1930.