The article justifies that A. I. Solzhenitsyn expands the potential of the memoir genre by synthesizing techniques of different genres and creating new ways of displaying History. The growing interest in the memoirs of the 20th century, in particular in Solzhenitsyn’s memoirs, in recent decades makes the research topical. Solzhenitsyn considers the truth of history as a priority, and the completeness of the material and polyphony of its presentation as necessary requirements. The research aims at presenting the originality of Solzhenitsyn’s memoirs.