Abstract
The article is devoted to an overview of the life path and scientific heritage of Academician of the USSR Academy of Sciences, member of the Presidium of the USSR Academy of Sciences Ilya P. Trainin. Scientific work of I. P. Trainin combined with organizational, socio-political and pedagogical activities. From 1942 to 1947 he served as Director of the Institute of Law of the USSR Academy of Sciences (in 1931 – Soviet Construction and Law of the Communist Academy; now – Institute of State and Law of the Russian Academy of Sciences). He owns research in the field of International Law, domestic and foreign State Law. The scientist’s scientific works have always covered key and topical problems of legal science and practice: the sphere of national relations, citizenship, issues of sovereignty, federation and autonomy. During the Great Patriotic War, I. P. Trainin wrote a number of works devoted to the mechanism of the fascist dictatorship and the responsibility of Nazi Germany for the atrocities and damage caused by its aggression and military robbery.