Who was born earlier, Franz Viehböck or Jean-François Clervoy?
Franz Viehböck Franz Artur Viehböck (born August 24, 1960 in Vienna) is an Austrian electrical engineer, and was Austria's first cosmonaut. He was titulated "„Austronaut“" by his country's media. He visited the Mir space station in 1991 aboard Soyuz TM-13, returning aboard Soyuz TM-12 after spending just over a week in space.
Claude Clerselier Claude Clerselier (1614, Paris – 1684, Paris) was a French editor. He edited and translated several works by René Descartes, especially his letters (Paris, 1657, 1659 et 1667), "L'Homme, et un Traité de la formation du fœtus du mesme auteur avec les remarques de Louys de La Forge", 1664, "L'Homme...et...Le Monde", 1667 et de ses "Principes", 1681.