something to attach to the head torso or tail": so, he recommended that he buy a forest area in a paper mill so as not to depend on wood prices; cement plant – to build a driveway to use cheap Moscow region coals; Moscow Mayor – to use the coal burned in the mines near Moscow to light and heat the city. From January 1, 1914 – State Councilor; he was awarded the Order of St. Anne of the 2nd degree (1909) and the Order of St. Vladimir of the 4th degree (1912). In April 1917 he resigned from Moscow University. After the revolutionary year of 1917, the Ozerov, unlike many Russian bankers and entrepreneurs, did not follow in emigration and stayed in Russia, where he continued his scientific activities, in particular, he developed the concept of creating an agricultural bank, studied the financial problems of domestic and foreign trade, and studied the scientific organization of labor. In 1918, I. Kh. Ozerov became the economic adviser to Hetman Skoropadsky in Ukraine. In 1919 he returned to Moscow. Lectured at the Industrial Institute. He served at the Institute for Environmental Research (since 1919), collaborated with the Financial and Economic Institute of the People's Commissariat of Finance. He taught at the Faculty of Social Sciences of Moscow State University (1920/1921); taught the course "Introduction to Financial Science". Cooperating with the Economist magazine of the industrial and economic department of the Russian Technical Society, he proposed effective, in his view, ways to get the country out of the chaos. In 1919–1921 he taught at the MFEU, taught the course "Fundamentals of Financial Science". In 1922, the possibility of expelling Ozerov on a "philosophical ships" was considered, but in the end the scientist was recognized as not dangerous. In 1927 he retired. He was arrested on January 28, 1930 and sentenced to capital punishment with the replacement of 10 years in prison. The whole of 1930 was in the Butyrka prison, then he served his sentence on Solovki and on the White Sea-Baltic Canal. In 1933, he was amnestied and he went to Voronezh, where his wife was exile. By a decree of the Central Executive Committee of the USSR of June 19, 1935, his conviction was lifted and in 1936 he and his wife were settled in the Nursing House of Scientists in Leningrad. There Ozerov and died during the blockade of Leningrad;