[For the English abstract and full text of the article please see the attached PDF-File (English version follows Russian version)].Konfederatov, Ilya Ya. (1902-1975) - scientist, teacher, engineer-inventor. He is the author of fundamental works on the history of energy, theory and methodology of the history of technology. ABSTRACT The published article about Ivan Ivanovich Polzunov was retrieved from the journal Nauka i zhizn (Science and Life - in English), 1953, Iss. 12. That is, it came out 65 years ago and was dedicated to the 225th anniversary of the birth of the remarkable Russian mechanic, heating engineer, the creator of the universal steam engine, the world’s first two-cylinder machine. In the archives of the press, of course, a lot of other research work on a man of such a bright and extraordinary, even dramatic fate, has accumulated. To continue the topic dedicated to Ivan Polzunov, the editorial board of World of Transport and Transportation suggests an article of Alexey D. Sergeev, the leading researcher of the Polzunov’s engineering heritage. The article was published in Polzunovsky Almanac, the yearly edition which by itself is a living testimony of the recognition of the merits of our famous compatriot. Keywords: heat engine, two-cylinder machine, inventor, mechanic, Ivan Polzunov, energy, history, 18th century, press archive. Nauka i zhizn. - 1953. - No. 12. - pp. 33-34.