Gennady Ivanovich Padalka (Russian: Гeннадий Иванович Падалка; born 21 June 1958 in Krasnodar, Russia) is a Russian Air Force officer and an RKA cosmonaut. Padalka currently has the world record for the most time spent in space, having spent 879 days in space, more than any other person. He worked on both Mir and the International Space Station.