LOOKING backward we can see very clearly the monumental character of the discovery of the X-rays by Wilhelm Conrad Roöntgen in November 1895 ... Early History of the Roentgen Rays.

In 1895, Wilhelm Röntgen discovered X-rays while experimenting with cathode rays and crystals, leading to the realization that invisible rays could cause fluorescence and penetrate lightproof ...

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 ...