SPb. : Type. In. Demakova, 1889. — 107-265 s. Not recognized (pre-evolutionary). Boris Chicherin - Russian political scientist (1828-1904), elected honorary member of the St. Petersburg Academy of Sciences in 1893 1888-1889 . He published 2 parts of the work on chemistry: Chicherin B. N. System of chemical elements . Issue. 1-2, SPb. , 1888-1889. Issue. 2 of this work - in the file . Here’s what he writes about this work on . 1091 publicist Vereshchagin in the article "Boris Chicherin - Russian political scientist" (Bulletin of the Russian Academy of Sciences, vol. 65, No. 12, 1995 . , with. 1085-1093): "Unexpected are Chicherin's in-depth studies in natural science, to which, however, he was quite logically led by the development of philosophical questions. At the age of 60, he found the strength to start studying physics, chemistry and higher mathematics. The result of his studies in theoretical chemistry is the creation of his own system of chemical elements. This study was conducted by D.. and . Mendeleev, who asked Chicherin personally to explain to him all the details . At Mendeleev's suggestion, he was elected a member of the Russian Physico-Chemical Society .. However, Chicherin did not wait for an exhaustive competent assessment of his work neither by Mendeleev nor by other specialists, and its significance remained unclear to him. N. Chicherina . Zemstvo and Moscow Duma . M: Sabashnikov Publishing House, 1934, with. 311-314)".