This book is the third in the “Landau Circle” trilogy (the first book is “The Life of a Genius”, the second is “Physics of War and Peace”). She continues the story about Academician L. D. Landau (1908-1968), winner of the Nobel Prize, Lenin Prize and three Stalin Prizes. The book has 12 chapters. They contain essays about the main scientists, students and/or contemporaries of Landau who came into close contact with him. These are E. M. and I. M. Lifshits, A. S. Kompaneets, A. B. Migdal, V. L. Ginzburg, A. A. Abrikosov, I. M. Khalatnikov, Ya. B. Zeldovich, P. L. Kapitsa, A. I. Leypunsky, V. S. Fursov (dean of the physics department of Moscow State University), M. A. Styrikovich (power engineering). Many other outstanding scientists participate in the events. These are, in particular, N. Bor, I. E. Tamm, I. G. Petrovsky, R. Z. Sagdeev, L. A. Artsimovich, I. Ya. Pomeranchuk, V. G. Levich, E. L. Feinberg , V. Ya. Fainberg, V. P. Silin, Yu. L. Klimontovich, A. A. Rukhadze and others, presented with vivid episodes and characteristics in the gallery of essays and portraits. The Appendix contains a lecture by E. M. Lifshitz “L. D. Landau - scientist, teacher, person,” letter from P. L. Kapitsa to I. V. Stalin (full text), etc. For a wide range of readers interested in the history of physics of the 20th century.