Johannes Rydberg
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Johannes Robert Rydberg was a Swedish physicist known for devising the Rydberg formula, in 1888, which is used to describe the wavelengths of photons emitted by changes in the energy level of an elect
Johannes Rydberg
Rydberg at the Fourth Conference International Union for Cooperation in Solar Research at Mount Wilson Observatory
Manne Siegbahn
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Karl Manne Georg Siegbahn was a Swedish physicist who received the Nobel Prize in Physics in 1924 "for his discoveries and research in the field of X-ray spectroscopy."
Johannes Rydberg
…of research, and in 1915 he was granted leave on account of his illness. He died on 28 December 1919 at Lund Hospital and was succeeded by his student Manne Siegbahn. Rydberg is buried at the northern cemetery in Lund and left his wife Lydia Carlsson (1856–1925), son Helge Rydberg (1887–1968) and daughter Gerda…
Siegbahn in 1924
Title page to The Spectroscopy of X-Rays (1925)
Table of contents to The Spectroscopy of X-Rays (1925)
First page of The Spectroscopy of X-Rays (1925)