In the given article the main topic under research is a scientific pedagogical work during the war-period in the Czecho-Slovak Republic by M. A. Slavynskyi (1868–1945), a prominent Ukrainian historian, ethnographer, man of letters, interpreter, publicist, poet and a diplomat. Here, in this article, for the first time the generalization approach attempts to study the history of the scientific pedagogical work of the famous Ukrainian social and political figure.