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.
François Stanislas Cloez François Stanislas Cloez (24 June 1817 – 12 October 1883) was a French chemist, who authored both as ""F. S. Cloez"" and ""S. Cloez"", and is known for his pioneering role in analytical chemistry during the 19th century. He was a founder and later president of the Chemistry Society of France.