The book is devoted to the three prominent people of Russia. D. I. Mendeleyev, D. D. Shostakovich and A. A. Blok are similar not only in talent, passion and love for their work. Their fortunes are connected by the variety of circumstances the authour pays his attention to.The book is addressed to the wide range of readers, who are interested in the history of their native culture, science and technology.The authour expresses his sincere thanks for the help in the preparation of this book to Igor Ivanovich Isaev, Arina Borisovna Bildug, Alexandra Vladimirovna Klementyeva and Nina Grigorievna Freyman.The publishing layout has been saved in PDF A4 format.