Dynasties of Speranski, Filatov, Zhivago, Ovchinnikov and the entire XX century. Notes of a happy person

Four immense dynasties - Speranski, Filatov, Zhivago, and Ovchinnikov - converge in one person, passing on to him devotion to medicine, love for sports, loyalty to friends, and many other remarkable qualities. The book by the grandson of the best children's doctor Georgy Speranski, Alexey Ovchinnikov, tells about his grandfather, other relatives and acquaintances, as well as about his life as a doctor, athlete, and traveler, and about the complex and captivating XX century.