Thomas Pesquet
Nationality: French
European Space Agency
Active
Claude Nicollier
Nationality: Swiss
European Space Agency
Retired
Tim Peake
Nationality: British
European Space Agency
Retired
Buzz Aldrin
Nationality: American
National Aeronautics and Space Administration
Retired
Chris Hadfield
Nationality: Canadian
Canadian Space Agency
Retired
David Saint-Jacques
Nationality: Canadian
Canadian Space Agency
Active
Anne McClain
Nationality: American
National Aeronautics and Space Administration
Active
Andrew R. Morgan
Nationality: American
National Aeronautics and Space Administration
Active
Nick Hague
Nationality: American
National Aeronautics and Space Administration
Retired
Terry W. Virts
Nationality: American
National Aeronautics and Space Administration
Retired
Alexander Gerst
Nationality: German
European Space Agency
Active
Richard Mastracchio
Nationality: American
National Aeronautics and Space Administration
Retired