Electromagnetic Waves

By kyra.russo

  • William Herschel

    1800 – William Herschel, a British astronomer, discovered infra-red radiation (heat waves).

  • Johann Ritter

    1801 - German chemist Johann Ritter discovered UV radiation.

  • James Maxwell

    1885 – James Maxwell, a British scientist, predicted the existence of continuous EM waves.

  • Heinrich Hertz

    1887 – German scientist Heinrich Hertz discovered radio waves.

  • Wilhelm Roentgen

    1895 – German physicist Wihelm Roentgen discovered x-rays.

  • Henri Becquerel

    1896 – French physicist Henri Becquerel discovered radioactive rays emitted by uranium.

  • Marie Curie

    1898 – Marie Curie discovered radium.

  • Paul Villard

    1900 – Frenchman Paul Villard discovered gamma rays.