Great quiz!! Please don't forget about Germany (Sigmund Jähn went to space in 1978 as a part of East Germany at the time) followed by West Germany (Ulf Merbold, Reinhard Furrer, and Ernst Messerschmid), and ending with unified Germany (Klaus Dietrich Flade, Hans Schlegel, Ulrich Walter, Thomas Reiter, Reinhold Ewald, Gerhard Thiele, Alexander Gerst, and Matthias Mauer).