Wilhelm Konrad Röntgen, 1895, The shadows of a concealed wire wound on a wooden spool, viewed through x-ray. Photoprint from radiograph by W.K. von Röntgen, 1895., X-ray, Wellcome Collection, LL/36725

Wilhelm Konrad Röntgen, 1895, Unloading apparatus with leaden cage, viewed under x-ray. Photoprint from radiograph by W.K. von Röntgen, X-ray, Wellcome Collection, LL/36726

Wilhelm Konrad Röntgen, 1895, 22 December, Hand mit Ringen (Hand with Rings), X-ray, Creative Commons - Wikipedia, LL/57706

Wilhelm Konrad Röntgen, 1896, 23 January, X-ray picture of the hand of Alfred von Kolliker, X-ray, Source requested, LL/6838

Wilhelm Konrad Röntgen, 1995, 9 September (date of issue), Belgian stamp honoring German physicist and Nobel Prize winner Wilhelm Conrad Röntgen (1845-1923) discoverer of X-rays. The stamp shows portrait of W. C. Röntgen and the first X-ray photograph of his wife's hand., Postage stamp, Private collection of Krzysztof Slowinski, LL/37651