Hermann Ludwig Ferdinand von Helmholtz, German physicist and physiologist, c1900. The inventor of the ophthalmoscope (1850), Helmholtz (1821-1894) was distinguished in a number of fields including mathematics and mathematical and experimental physics. Obverse of a commemorative plaquette. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3830 px × 4560 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |