BPK-S-AA7000-1629 The German physicist Wilhelm Conrad Röntgen (1845-1923) Credit: BPK/Alinari Archives WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Date of photography: 1882 ca. Collection: BPK/Alinari Archives Object type: digital image Photographic technique: P digital image Technical info Image sizes (pixel): 2943 X 4195 Image sizes (cm at 300 dpi): 24 X 35 Image sizes (MB): 2.92 Color space: RGB