The name of Mikhail Mikhailovich Bakhtin (1895–1975), an outstanding thinker of the 20th century, philosopher and cultural scientist, is widely known. The relevance of his research thought, which comprehended the depth of knowledge about man in the forms of literary creativity, as well as in historical forms of culture, only increases over the years. Because of this, interest in his legacy, including his scientific dialogues, is also increasing. The article provides memories about one of M.M. Bakhtin’s interlocutors – Alexei Alexandrovich Dorogov (1923–2003), whose name is well known only to those who knew him personally, talked with him, listened to his lectures on a wide range of historical, philosophical and cultural problems. This publication sets the task of bringing out of the shadow of oblivion of our remarkable compatriot, a deep and original thinker, who was connected by friendship with M.M. Bakhtin, which began on August 20, 1965 and lasted until the latter’s death in 1975. Their dialogues can be attributed not just to the genre of memoirs, but to the history of scientific thought. The article is supplemented by the author’s personal memories of meetings and conversations with A. Dorogov. The publication may open up new facets of M.M. Bakhtin’s life and work, as well as to complete the picture of scientific thought of the twentieth century by including in it a little-known thinker - Alexei Alexandrovich Dorogov.