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Title: Portrait of Wilhelm Röntgen
Caption: Portrait of Wilhelm Röntgen (1845-1923) a German mechanical engineer and physicist, who produced and detected electromagnetic radiation in a wavelength range known as X-rays of Röntgen Rays. Dated 19th century
Credit: Album / World History Archive / World History Achive
Image size: 4020 × 5217 px | 60.0 MB
Print size: 34.0 × 44.2 cm | 1582.7 × 2053.9 in (300 dpi)