Lev Gumilev managed to create a whole world in historical science. His ideas and discoveries changed our understanding of the world. Gumilyov’s work on passionarity and the history of the Eurasian space has only become more relevant over the years. This book presents not only memories of the historian, but also documents, speeches of Gumilyov's opponents and associates. The book, dedicated to one of the brightest minds of the 20th century, reveals the secrets of the creative workshop of Lev Gumilyov. The publishing layout is saved in a4.pdf format.