PHYSICIST

Johannes Rydberg

1854 - 1919

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Johannes (Janne) Robert Rydberg (Swedish: [ˈrŷːdbærj]; 8 November 1854 – 28 December 1919) was a Swedish physicist mainly known for devising the Rydberg formula, in 1888, which is used to describe the wavelengths of photons (of visible light and other electromagnetic radiation) emitted by changes in the energy level of an electron in a hydrogen atom. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Johannes Rydberg is the 267th most popular physicist (up from 273rd in 2019), the 132nd most popular biography from Sweden (up from 142nd in 2019) and the 6th most popular Swedish Physicist.

Johannes Rydberg is most famous for his work on atomic spectra. He was the first to correctly explain the difference between the spectra of hydrogen and helium.

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Among PHYSICISTS

Among physicists, Johannes Rydberg ranks 267 out of 851. Before him are Julian Schwinger, Toshihide Maskawa, Carlo Rubbia, John Hasbrouck Van Vleck, Osborne Reynolds, and Anthony James Leggett. After him are Jack Steinberger, Yang Chen-Ning, David J. Wineland, Pierre Agostini, Gerard 't Hooft, and John C. Mather.

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Contemporaries

Among people born in 1854, Johannes Rydberg ranks 15. Before him are Paul Sabatier, Emil von Behring, Karl Kautsky, James George Frazer, George Eastman, and Milan I of Serbia. After him are Engelbert Humperdinck, Hertha Ayrton, Paul von Rennenkampf, Salomon August Andrée, Albert Edelfelt, and Moritz Moszkowski. Among people deceased in 1919, Johannes Rydberg ranks 23. Before him are William Crookes, Princess Charlotte of Prussia, Yakov Sverdlov, Ismail Qemali, Maria Theresa of Austria-Este, and L. Frank Baum. After him are Loránd Eötvös, Milan Rastislav Štefánik, Kurt Eisner, Edward Charles Pickering, Grand Duke Paul Alexandrovich of Russia, and Leonid Andreyev.

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In Sweden

Among people born in Sweden, Johannes Rydberg ranks 132 out of 1,879. Before him are Toomas Hendrik Ilves (1953), Hedvig Sophia of Sweden (1681), Carin Göring (1888), Sverker I of Sweden (1100), Anund Jacob (1008), and Canute I of Sweden (1150). After him are Catherine of Sweden, Countess Palatine of Kleeburg (1584), Catherine of Vadstena (1331), Princess Eugénie of Sweden (1830), Johan Gottlieb Gahn (1745), Zarah Leander (1907), and Eric X of Sweden (1180).

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Among PHYSICISTS In Sweden

Among physicists born in Sweden, Johannes Rydberg ranks 6. Before him are Manne Siegbahn (1886), Gustaf Dalén (1869), Hannes Alfvén (1908), Anders Jonas Ångström (1814), and Kai Siegbahn (1918). After him are Rolf Maximilian Sievert (1896), Christopher Polhem (1661), Oskar Klein (1894), Wilhelm Hisinger (1766), Vagn Walfrid Ekman (1874), and Knut Ångström (1857).

Swedish born Physicists

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