| Institution | Role | From | To |
| Innere Abteilung, Rudolf-Virchow-Krankenhaus, Berlin-Wedding, Germany | Medical Intern (Trainee) | 1933-01 | 1933-07 |
| Charité, Universität Berlin, Berlin, Germany | Medical Intern (Trainee) | 1933-08 | 1934-01 |
| Charité, Universität Berlin, Berlin, Germany | Intern | 1934-01 | 1935-03 |
| Lungenheilstätte Grabowsee, Berlin, Germany | Assistant | 1935-04 | 1936-03 |
| Reichswehr/Wehrmacht, Germany | National Service | 1936-04 | 1936-06 |
| Physiologisches Institut, Medizinische Fakultät, Georg-August-Universität, Göttingen, Germany | Research Assistant | 1936-07 | ??? |
| Luftfahrtmedizinische Erprobung, Erprobungsstelle der Luftwaffe, Reichsluftfahrtmininsterium, Rechlin, Germany | ??? | 1938 | 1942 |