Wilhelm Röntgen
Wilhelm Conrad Röntgen (1845 – 1923) was a German physicist. 8 November 1895 produced electromagnetic radiation in a wavelength range known as X-rays (Röntgen rays).
Tag Heinrich Hertz
Wilhelm Conrad Röntgen (1845 – 1923) was a German physicist. 8 November 1895 produced electromagnetic radiation in a wavelength range known as X-rays (Röntgen rays).