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William Herschel
a British astronomer who discovered infrared radiation (heat waves) -
Johann Ritter
a german chemist who discovered UV radiation -
James Maxwell
a British scientist, predicted the existence of continuous EM waves. -
Heinrich Hertz
a German scientist who discovered Radio waves -
Wihelm Roentgen
a German physicists who discovered x rays -
Henri Becquerel
A French physicist who discovered radioactive rays emitted by uranium. -
Marie Curie
A women who discovered radium -
Paul Villard
A frenchman who discovered Gamma rays