Kotlyarevsky Nestor Aleksandrovich (1863–1925) - literary scholar, publicist, critic. The book about Lermontov was written in 1891, the year of the fiftieth anniversary of the poet’s death, and by 1915 it had gone through five editions. The book allows you to penetrate into the creative laboratory of M. Yu. Lermontov, reveals the depth and sharpness of his thoughts, the richness of shades of his mood, the response of his poetic soul to all the impressions of life, his thoughts on the moral value of life and the moral calling of man. An essay about A I. Odoevsky from the book “Decembrists” by N. A. Kotlyarevsky.