Andrei Bely (Boris Nikolayevich Bugaev, 1880-1934) - the largest Russian experimental writer of the early 20th century, theorist of mystical symbolism, who created his own science of verse and artistic image The combination of mathematical rigor with intuition, broad erudition and courage, the desire for a religious synthesis of the arts and an understanding of the highest purpose of beauty - all this makes Andrei Bely's articles an integral part of art theory. The collection includes the most important articles and speeches of Andrei Bely, as well as samples of his lyrical prose and the poem "First Date". A detailed comment to the works of Andrei Bely was made by a professor of RSUH and VLSU, a leading researcher at Moscow State University named after M. In. Lomonosov A. In. Markov .