| Jan Kowalski | Anthony Llewellyn |
| Geburtsdatum | 22.04.1933 |
| Sterbedatum | 02.07.2013 |
| Nationalität | American |
| Weltraumagentur | National Aeronautics and Space Administration (NASA) |
| Status | Nicht leben |
| Astronautentyp | Staatliche Agentur |
| Wikipedia | https://en.wikipedia.org/wiki/Anthony_Llewellyn |
John Anthony Llewellyn was a Welsh-born American scientist and a former NASA astronaut.