Boris Volynov, Russian colonel, engineer, and astronaut
Boris Valentinovich Volynov (Russian: Бори́с Валенти́нович Волы́нов; born 18 December 1934) is a Soviet cosmonaut who flew two space missions of the Soyuz programme: Soyuz 5, and Soyuz 21. Following the death of Alexei Leonov in October 2019, he is the last surviving member of the original group of cosmonauts.