Oleg Kotov
Physician
Oleg Valeriyevich Kotov was born on 27 October 1965 in Simferopol, Crimean oblast in the Ukrainian SSR. After a career as a physician assigned to the Soviet space program, he joined the Russian cosmonaut corps. Wikipedia
Born: 1965 (age 58 years), Simferopol
Space missions: Soyuz TMA-10, Expedition 15, Expedition 23, and more
Education: Voyenno-Meditsinskaya Akademiya Imeni S. M. Kirova (1988)