On May 22, 2011 we are celebrating the 90th anniversary of professor Nikolai Nikolaevich Yanenko - an outstanding Soviet mathematician and engineer. Nikolai Nikolaevich Yanenko contributed greatly to the development of mathematics and mechanics, as well as new areas of science related to computing technology and its applications. He was a major organizer of Soviet science, which was especially apparent in his years of work in the Urals and Siberia. There were formed creative teams, called as School of Academician Yanenko. Name Yanenko and scientific achievements of its schools are well known abroad, where many scientific achievements have gained international recognition.