Dedicated to the outstanding mathematician, teacher, engineer-designer, academician of the National Academy of Sciences of Ukraine, Honored Scientist and Technician of Ukraine, laureate of many state and scientific awards - Alexei Pogorelov. The research of the scientist made it possible to complete the development of the theory of complete irregular convex surfaces and laid the foundation for the nonlinear geometric theory of shells - the most common elements of modern constructions. Oleksiy Pogorelov is the author of dozens of monographs and textbooks (in particular, the original school textbook on geometry and university textbooks on analytic and differential geometry), most of which are translated into English.