Readers appreciated this wonderful work of the outstanding philosopher of the 20th century Alexei Fedorovich Losev and the famous philologist of antiquity Aza Alibekovna Taho-Godi: the biographies are written surprisingly simply and vividly; the teachings of the three greatest philosophers of antiquity (Socrates, Plato, Aristotle) are presented in it concisely and accessible. This edition is supplied with letters from Socrates and the Socratics. The translation of these letters was carried out by the famous translator of the early 20th century S. P. Kondratiev. The letters date back to approximately the 1st–3rd centuries, but nevertheless, of course, represent not only literary, but also historical value.