Alexander Stepanovich Popov (1859 - 1906) Russian physicist, who was one of the first persons to invent a radio receiving device. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Universal Images Group / Universal History Archive |
Bildgröße: | 4039 px × 5193 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |