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  2. Wilhelm Röntgen - Wikipedia

    en.wikipedia.org/wiki/Wilhelm_Röntgen

    Wilhelm Conrad Röntgen (/ ˈ r ɛ n t ɡ ə n,-dʒ ə n, ˈ r ʌ n t-/; [4] German: [ˈvɪlhɛlm ˈʁœntɡən] ⓘ; anglicized as Roentgen; 27 March 1845 – 10 February 1923) was a German physicist [5] who produced and detected electromagnetic radiation in a wavelength range known as X-rays.

  3. Expulsion of Jews from Spain - Wikipedia

    en.wikipedia.org/wiki/Expulsion_of_Jews_from_Spain

    The Expulsion of Jews from Spain was the expulsion of practicing Jews following the Alhambra Decree in 1492, [1] which was enacted to eliminate their influence on Spain's large converso population and to ensure its members did not revert to Judaism. Over half of Spain's Jews had converted to Catholicism as a result of the Massacre of 1391. [2]

  4. Philipp Lenard - Wikipedia

    en.wikipedia.org/wiki/Philipp_Lenard

    Lenard grew extremely resentful of the credit accorded to Wilhelm Röntgen, who received the first Nobel Prize in physics in 1901, for the discovery of the X-ray, [13] [14] despite the fact that Röntgen was German and a non-Jew. Lenard wrote that he, not Roentgen, was the "mother of the X-rays", since he had invented the apparatus used to ...

  5. History of radiation protection - Wikipedia

    en.wikipedia.org/wiki/History_of_radiation...

    The discovery of X-rays by Wilhelm Conrad Röntgen (1845-1923) in 1895 led to extensive experimentation by scientists, physicians, and inventors. The first X-ray machines produced extremely unfavorable radiation spectra for imaging with extremely high skin doses. [5]

  6. Röntgen Memorial Site - Wikipedia

    en.wikipedia.org/wiki/Röntgen_Memorial_Site

    Röntgen Memorial Site, Röntgenring 8, Würzburg. The Röntgen Memorial Site in Würzburg, Germany, is dedicated to the work of the German physicist Wilhelm Conrad Röntgen (1845–1923) and his discovery of X-rays, for which he was granted the first Nobel Prize in physics, in 1901. It contains an exhibition of historical instruments, machines ...

  7. List of Iberian Jews - Wikipedia

    en.wikipedia.org/wiki/List_of_Iberian_Jews

    Following the Reconquista and increasing persecution, many of them were expelled from Spain in 1492 and Portugal in 1497. Some of their descendants, known as the Sephardim, settled mainly in North Africa, South-East Europe, the Netherlands, England, and America. Jews were only formally readmitted to the peninsula in the late 19th century.

  8. Expulsion from Spain - Wikipedia

    en.wikipedia.org/wiki/Expulsion_from_Spain

    Forced conversions of Muslims in Spain (1500–1502 in Castile, 1515–16 in Navarre and 1523–1526 in Aragon) Topics referred to by the same term This disambiguation page lists articles associated with the title Expulsion from Spain .

  9. Category:Wilhelm Röntgen - Wikipedia

    en.wikipedia.org/wiki/Category:Wilhelm_Röntgen

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