Vassiliy Ilyich Nechaev. To the 100-th anniversary

January 11, 2020 marks the centenary of the birth of Vassiliy Ilyich Nechaev, a well-known Soviet mathematician, Doctor of Physical and Mathematical Sciences, Professor, Head of the Department of Number Theory of Moscow Pedagogical State University (MSPU).
Vassiliy Ilyich Nechaev has made a significant contribution to Development of Russian scientific school on number theory. The research of Professor V. I. Nechaev and his disciples in the field of analytical number theory and its applications is very considerable.
Moreover, the scientific and educational activities of Professor V.I. Nechaev have been very influential in the development of methods of teaching mathematics at colleges for teacher education. V. I. Nechaev was a leading figure at the scientific school and the organizer of the analytic number theory research seminar at the Moscow State Pedagogical University. Among his many students received their PhD and doctoral degrees. Vassiliy Ilyich Nechaev has published a large number of scientific and methodical works, was a translator of several fundamental scientific monographs. He was for many years a member of the editorial board of the journal "Mathematical Notes" and served as a member of the program committees of many international conferences on algebra and number theory.