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.