Nobel Prize in Physics in 1917
= Nobel Prize in Physics in 1917
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Awarded to <Charles Glover Barkla> for characteristic <X-rays> of the <chemical elements>; he received it in 1918. The <Barkla characteristic X-ray experiment> describes the experimental separation of components.<The Nobel Prize in Physics 1917 by Nobel Prize Outreach>[Official award record: Barkla, characteristic radiation and deferred receipt in 1918]{ref}