2-660-709 - The Print Collector/Heritage Images

'Wilhelm von Röntgen 1845-1923', 1934. Wilhelm Conrad Röntgen (1845-1923), German mechanical engineer and physicist, who produced and detected electromagnetic radiation in a wavelength range known as X-rays or Röntgen rays, an achievement that earned him the first Nobel Prize in Physics in 1901. From "Die Großen der Weltgeschichte". [Eckstein-Halpaus, Dresden, 1934]