The Biographical Sketch Dedicated to the 100th Anniversary of the Russian Ethnologist Viktor Ivanovich Kozlov (1924–2013)

This work is dedicated to the 100th anniversary of the birth of the Russian ethnographer Viktor Ivanovich Kozlov (1924-2013).The research materials were the works of Viktor Ivanovich himself, as well as biographical works by Russian scientists.The method of content analysis, the biographical method and the synthesis method are used as the methodological basis.Viktor Ivanovich Kozlov became famous in Russian and world science as the founder of the discipline called "ethnic ecology", which provides for the study of the adaptation and survival of ethnic groups in the interethnic and natural space.He is a recognized expert in the field of demographic methodology, ethnology, researcher of factors and psychology of longevity studies, as well as the phenomenon of nationalism and its impact on the state and interethnic relations.A veteran, awarded military orders and medals, a brave and hardworking man, V.I.Kozlov remained a patriot of his Homeland until the end of his life, deeply worried about the collapse of Soviet Russia, realizing the difficult future fate of the divided fraternal Russian peoples and, above all, the Russian ethnic group.