The son of a classical philologist, Mikhail Ivanovich followed and exceeded by becoming a scholar of international repute, interlacing the cultural influences in the southern region of the Russian empire. A student of Scythia, Hellenism, and Rome antiquity, his “Iranians and Greeks in South Russia” (1922) remains a canonical work on ancient history. Prolific even before his emigration to the United States after the Bolshevik Revolution, he began shaping the field from Russia. Although he wrote also in German and was a member of the Berlin Academy of Sciences, his anti-German stance during the Great War prevented his acceptance there. He served as president of the American Historical Association in 1935.