History of Electromagnetic Radiation

By Bhavnoor Kamboj
  • Infra-red

    Infra-red

    William Herschel, a British astronomer, discovered infra-red radiation (heat waves)
  • UV radiation

    UV radiation

    German chemist Johann Ritter discovered UV radiation
  • EM waves

    EM waves

    James Maxwell, a British scientist, predicted the existence of continuous EM waves.
  • Radio Waves

    Radio Waves

    German scientist Heinrich Hertz discovered radio waves.
  • X-rays

    X-rays

    German physicist Wihelm Roentgen discovered x-rays.
  • Uranium

    Uranium

    French physicist Henri Becquerel discovered radioactive rays emitted by uranium.
  • Radium

    Radium

    Marie Curie discovered radium.
  • Gamma Rays

    Gamma Rays

    Frenchman Paul Villard discovered gamma rays.