High Quality Content by WIKIPEDIA articles! Nikolai Nikolaevich Yanenko (Russian: Николай Николаевич Яненко) (22 May 1921 – 16 January 1984) was a Soviet mathematician and academician. He was known for his contribution to computational mathematics and fluid mechanics. He served as the Head of the Institute of Theoretical and Applied Mechanics of the Siberian Branch of the USSR Academy of Sciences.