The book is dedicated to the founder of Russian neonatology, one of the initiators and active builders of the Soviet system of maternal and infant health care, the organizer and director of the first domestic research institution in the field of pediatrics, Georgy Nestorovich Speransky. Grandson of G. N. Speransky, medical professor A. A. Ovchinnikov describes the personal and everyday life of an outstanding scientist and clinician, its contact with tragic collisions in the history of Russia. Not only medical scientists and pediatricians, but also a wide range of readers interested in the history of our country will enjoy sketches of the work and life of a talented children's doctor in the 20-50s of the last century.