horizons of the population, the task public education plays a major role in the present". Ozerov was not a desk scientist, but a practical scientist, enthusiastic and tireless enlightener. "I, as the son of the working people, wanted to be useful, and, being raised at the expense of the people, climbing up through his shoulders, I wanted to be useful in spreading knowledge among him and awakening in him energy and creativity in economic life", – he wrote. In 1901, he took part in the activities of the Moscow Society of Mutual Assistance of Mechanical Production Workers, created on the initiative of S. V. Zubatov. He organized popular lectures for workers in the Historical Museum in Moscow and drafted a charter for the Society. When it became known that the security department was involved in the creation of society, Ozerov did not give up lectures and convened something like an arbitration court of public figures, who found the lecturers useful. He told about his participation in the activities of the Company in detail in the book "Policy on the Work Issue in Russia over the past years". In the summer of 1907, Ozerov was transferred to St. Petersburg University, while remaining at the same time a lecturer at Moscow University – was a private assistant professor at the faculty of law. He also taught at the Bestuzhev women's courses and at the highest women's courses of N. P. Raev in St. Petersburg, as well as at the Pedagogical Academy. In July 1911, he was again appointed an ordinary professor at Moscow University and headed the department of financial law until April 1917. At the same time, he was from October 1912 a supernumerary ordinary professor at the Moscow Commercial Institute, taught finance and a history of economic life and economics at the A. L. Shanyavsky Moscow city National University. Since 1914 – member of the legal test committee at Moscow University. Since 1909 – elected member of the State Council of the Academy of Sciences and universities. I. Kh. Ozerov spoke in many cities of Russia with public lectures. He took part in the work of various government commissions of the Ministry of Finance, trade and industry. With research and development goals going around Russia, getting acquainted with real production and banking activities, Ozerov gave entrepreneurs, engineers and accountants a wide variety of vital advice: "I saw that there was