Wilhelm Conrad Röntgen, portrait ca. 1900, historical, history of science, Nobel Prize for Physics 1901, scientists who worked in Würzburg, information board, Würzburg, Lower Franconia, Bavaria, Germany, Europe.
Wilhelm Conrad Röntgen, portrait ca. 1900, historical, history of science, Nobel Prize for Physics 1901, scientists who worked in Würzburg, information board, Würzburg, Lower Franconia, Bavaria, Germany, Europe