The book tells about the activities of Academician Vladimir Ivanovich Vernadsky in 1917 in the State Council of the Russian Empire, Constitutional Democratic Party, Ministry of Education of the Provisional Government, Academy of Sciences, Free Association for the Development and Dissemination of Positive Sciences, Agricultural Scientific Committee of the Ministry of Agriculture, in other organizations, societies and academic commissions, as well as on his creative work on biogeochemistry and the geochemical significance of living matter.