Who is an astrophysicist for the European Space Agency, Dirk Frimout or Georgi Ivanov?
Dirk Frimout Dirk Dries David Damiaan, Viscount Frimout (born 21 March 1941 in Poperinge, Belgium) is an astrophysicist for the European Space Agency. He flew aboard NASA Space Shuttle mision STS-45 as a payload specialist , making him the first Belgian in space .
Jens Eisert Jens Eisert, born October 9, 1970, is a German physicist, ERC fellow, and professor at the Free University of Berlin.