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The Nobel Prize in Physics 1917
Charles Glover Barkla

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Charles Glover Barkla - Facts

Charles Glover Barkla

Charles Glover Barkla

Born: 7 June 1877, Widnes, United Kingdom

Died: 23 October 1944, Edinburgh, Scotland

Affiliation at the time of the award: Edinburgh University, Edinburgh, United Kingdom

Prize motivation: "for his discovery of the characteristic Röntgen radiation of the elements"

Field: atomic physics

Charles Glover Barkla received his Nobel Prize one year later, in 1918.

Prize share: 1/1

Discovered a New and Unanticipated Phenomenon

Following the discovery of X-rays, it was soon established that an irradiated compound emitted secondary X-rays. In the secondary spectrum there appeared lines corresponding to different wave lengths of the radiation. Charles Barkla showed that the secondary spectrum was unique for every element, independent of temperature, structure and chemical composition. The spectrum was therefore a characteristic property of the atom and became an important tool in atomic research.

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