Nobel Prize in Physics in 1924
= Nobel Prize in Physics in 1924
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Awarded to <Karl Manne Georg Siegbahn> for <X-ray spectroscopy>. He received the prize in 1925. The <Siegbahn precision X-ray wavelength spectroscopy> article describes its calibration problems.<The Nobel Prize in Physics 1924 by Nobel Prize Outreach>[Official award record: Manne Siegbahn, X-ray spectroscopy and deferred receipt in 1925]{ref}