Discovery of X-rays

Inadvertently on November 8, 1895, Wilhelm Conrad Roentgen, a professor of physics and rector of the Julius Maximilian University of Wiirzburg, Germany, discovered the X-rays. Roentgen stumbled upon the X-rays by covering an electrified cathode ray tube with black paper for another of his experiments, he noticed a faint fluorescence from a barium platinocya-nide-coated screen across the room. He correctly hypothisied that the glow was caused by an unknown form of high-energy radiation emitted from the electrified cathode ray tube, he called this “X-radiation.”

      November 8th 1895
      Wilhelm Conrad Roentgen
      Professor of Physics
      Rector of the Julius Maximilian University of Wiirzburg
      Wiirzburg, Germany

Additional Information:

  • History of Radiography – NDT Resource Center
    History. X-rays were discovered in 1895 by Wilhelm Conrad Roentgen (1845-1923) who was a Professor at Wuerzburg University in Germany. Working with a cathode-ray tube in his laboratory, Roentgen observed a fluorescent glow of crystals on a table near his tube.
  • Wilhelm Conrad Roentgen and the Discovery of X-Ray Beams
    Discovery of X-ray Beams. Wilhelm Roentgen was already working on the effects of cathode rays during 1895, before he actually discovered X-rays. His experiments involved the passing of electric current through gases at extremely low pressure.
  • Who invented the X-ray? | HowStuffWorks
    Yet, despite their versatility, the invention of the X-ray wasn’t intentional. The scientific and medical community will forever be indebted to an accidental discovery made by German physicist Wilhelm Conrad Röntgen in 1895.
  • The First X-ray, 1895 | The Scientist Magazine®
    The First X-ray, 1895. … At the end of the 19th century, while studying the effects of passing an electrical current through gases at low pressure, German physicist Wilhelm Röntgen accidentally discovered X-rays—highly energetic electromagnetic radiation capable of penetrating most solid objects.
  • German scientist discovers X-rays – Nov 08, 1895 –
    On this day in 1895, physicist Wilhelm Conrad Rontgen (1845-1923) becomes the first person to observe X-rays, a significant scientific advancement that would ultimately benefit a variety of fields, most of all medicine, by making the invisible visible.

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