Hermann Helmholtz (1821-1894). German physicist and physiologist, inventor of the Ophthalmoscope. Seen here giving a lecture on 7 July 1894 shortly before his death. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3780 px × 4620 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |