PHYSICIST
Johannes Rydberg
1854 - 1919
Johannes Rydberg
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
Since 2007, the English Wikipedia page of Johannes Rydberg has received more than 135,560 page views. His biography is available in 45 different languages on Wikipedia (up from 42 in 2019). Johannes Rydberg is the 272nd most popular physicist (down from 241st in 2019), the 142nd most popular biography from Sweden (down from 135th in 2019) and the 7th 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.
Memorability Metrics
140k
Page Views (PV)
61.74
Historical Popularity Index (HPI)
45
Languages Editions (L)
10.77
Effective Languages (L*)
2.74
Coefficient of Variation (CV)
Among PHYSICISTS
Among physicists, Johannes Rydberg ranks 272 out of 851. Before him are John Vincent Atanasoff, Allan MacLeod Cormack, Andrew Huxley, Jagadish Chandra Bose, Jean-François Pilâtre de Rozier, and Hugh David Politzer. After him are Edmond Becquerel, August Kundt, Carlo Rubbia, Leo Esaki, Ernest Walton, and Toshihide Maskawa.
Most Popular Physicists in Wikipedia
Go to all RankingsJohn Vincent Atanasoff
1903 - 1995
HPI: 62.12
Rank: 266
Allan MacLeod Cormack
1924 - 1998
HPI: 62.11
Rank: 267
Andrew Huxley
1917 - 2012
HPI: 61.99
Rank: 268
Jagadish Chandra Bose
1858 - 1937
HPI: 61.99
Rank: 269
Jean-François Pilâtre de Rozier
1754 - 1785
HPI: 61.79
Rank: 270
Hugh David Politzer
1949 - Present
HPI: 61.79
Rank: 271
Johannes Rydberg
1854 - 1919
HPI: 61.74
Rank: 272
Edmond Becquerel
1820 - 1891
HPI: 61.72
Rank: 273
August Kundt
1839 - 1894
HPI: 61.66
Rank: 274
Carlo Rubbia
1934 - Present
HPI: 61.64
Rank: 275
Leo Esaki
1925 - Present
HPI: 61.61
Rank: 276
Ernest Walton
1903 - 1995
HPI: 61.49
Rank: 277
Toshihide Maskawa
1940 - 2021
HPI: 61.46
Rank: 278
Contemporaries
Among people born in 1854, Johannes Rydberg ranks 16. Before him are James George Frazer, Paul Sabatier, Milan I of Serbia, Georges Picquart, George Eastman, and Albert Edelfelt. After him are Engelbert Humperdinck, Paul Natorp, Léo Taxil, Paul von Rennenkampf, Georg Kerschensteiner, and Duchess Marie of Mecklenburg-Schwerin. Among people deceased in 1919, Johannes Rydberg ranks 24. Before him are Archduke Ludwig Viktor of Austria, Milan Rastislav Štefánik, Ismail Qemali, Grand Duke Paul Alexandrovich of Russia, L. Frank Baum, and Kurt Eisner. After him are Terauchi Masatake, Leonid Andreyev, Habibullah Khan, Prince John of the United Kingdom, Guido von List, and Madam C. J. Walker.
Others Born in 1854
Go to all RankingsJames George Frazer
ANTHROPOLOGIST
1854 - 1941
HPI: 68.70
Rank: 10
Paul Sabatier
CHEMIST
1854 - 1941
HPI: 68.01
Rank: 11
Milan I of Serbia
POLITICIAN
1854 - 1901
HPI: 65.23
Rank: 12
Georges Picquart
MILITARY PERSONNEL
1854 - 1914
HPI: 64.07
Rank: 13
George Eastman
INVENTOR
1854 - 1932
HPI: 64.05
Rank: 14
Albert Edelfelt
PAINTER
1854 - 1905
HPI: 62.09
Rank: 15
Johannes Rydberg
PHYSICIST
1854 - 1919
HPI: 61.74
Rank: 16
Engelbert Humperdinck
COMPOSER
1854 - 1921
HPI: 61.18
Rank: 17
Paul Natorp
PHILOSOPHER
1854 - 1924
HPI: 60.54
Rank: 18
Léo Taxil
WRITER
1854 - 1907
HPI: 60.38
Rank: 19
Paul von Rennenkampf
MILITARY PERSONNEL
1854 - 1918
HPI: 60.18
Rank: 20
Georg Kerschensteiner
POLITICIAN
1854 - 1932
HPI: 59.99
Rank: 21
Duchess Marie of Mecklenburg-Schwerin
NOBLEMAN
1854 - 1920
HPI: 59.92
Rank: 22
Others Deceased in 1919
Go to all RankingsArchduke Ludwig Viktor of Austria
NOBLEMAN
1842 - 1919
HPI: 64.83
Rank: 18
Milan Rastislav Štefánik
POLITICIAN
1880 - 1919
HPI: 62.68
Rank: 19
Ismail Qemali
POLITICIAN
1844 - 1919
HPI: 62.33
Rank: 20
Grand Duke Paul Alexandrovich of Russia
NOBLEMAN
1860 - 1919
HPI: 62.24
Rank: 21
L. Frank Baum
WRITER
1856 - 1919
HPI: 62.19
Rank: 22
Kurt Eisner
WRITER
1867 - 1919
HPI: 61.90
Rank: 23
Johannes Rydberg
PHYSICIST
1854 - 1919
HPI: 61.74
Rank: 24
Terauchi Masatake
POLITICIAN
1852 - 1919
HPI: 61.48
Rank: 25
Leonid Andreyev
WRITER
1871 - 1919
HPI: 60.96
Rank: 26
Habibullah Khan
POLITICIAN
1872 - 1919
HPI: 60.92
Rank: 27
Prince John of the United Kingdom
NOBLEMAN
1905 - 1919
HPI: 60.89
Rank: 28
Guido von List
OCCULTIST
1848 - 1919
HPI: 60.85
Rank: 29
Madam C. J. Walker
BUSINESSPERSON
1867 - 1919
HPI: 60.78
Rank: 30
In Sweden
Among people born in Sweden, Johannes Rydberg ranks 142 out of 1,879. Before him are Stenkil (1030), Prince Wilhelm, Duke of Södermanland (1884), Birgit Nilsson (1918), Roy Andersson (1943), Erland Josephson (1923), and Carin Göring (1888). After him are Canute I of Sweden (1150), Eric XI of Sweden (1216), Basshunter (1984), Zarah Leander (1907), Toomas Hendrik Ilves (1953), and Magnus I of Sweden (1106).
Others born in Sweden
Go to all RankingsStenkil
POLITICIAN
1030 - 1066
HPI: 62.22
Rank: 136
Prince Wilhelm, Duke of Södermanland
POLITICIAN
1884 - 1965
HPI: 62.22
Rank: 137
Birgit Nilsson
SINGER
1918 - 2005
HPI: 62.00
Rank: 138
Roy Andersson
FILM DIRECTOR
1943 - Present
HPI: 62.00
Rank: 139
Erland Josephson
ACTOR
1923 - 2012
HPI: 62.00
Rank: 140
Carin Göring
POLITICIAN
1888 - 1931
HPI: 61.88
Rank: 141
Johannes Rydberg
PHYSICIST
1854 - 1919
HPI: 61.74
Rank: 142
Canute I of Sweden
POLITICIAN
1150 - 1196
HPI: 61.69
Rank: 143
Eric XI of Sweden
POLITICIAN
1216 - 1250
HPI: 61.60
Rank: 144
Basshunter
SINGER
1984 - Present
HPI: 61.54
Rank: 145
Zarah Leander
SINGER
1907 - 1981
HPI: 61.47
Rank: 146
Toomas Hendrik Ilves
POLITICIAN
1953 - Present
HPI: 61.39
Rank: 147
Magnus I of Sweden
POLITICIAN
1106 - 1134
HPI: 61.33
Rank: 148
Among PHYSICISTS In Sweden
Among physicists born in Sweden, Johannes Rydberg ranks 7. Before him are Manne Siegbahn (1886), Gustaf Dalén (1869), Anders Jonas Ångström (1814), Hannes Alfvén (1908), Kai Siegbahn (1918), and Rolf Maximilian Sievert (1896). After him are Vagn Walfrid Ekman (1874), Oskar Klein (1894), Christopher Polhem (1661), Knut Ångström (1857), Wilhelm Hisinger (1766), and Bert Bolin (1925).
Manne Siegbahn
1886 - 1978
HPI: 69.99
Rank: 1
Gustaf Dalén
1869 - 1937
HPI: 68.89
Rank: 2
Anders Jonas Ångström
1814 - 1874
HPI: 68.16
Rank: 3
Hannes Alfvén
1908 - 1995
HPI: 66.50
Rank: 4
Kai Siegbahn
1918 - 2007
HPI: 65.68
Rank: 5
Rolf Maximilian Sievert
1896 - 1966
HPI: 63.05
Rank: 6
Johannes Rydberg
1854 - 1919
HPI: 61.74
Rank: 7
Vagn Walfrid Ekman
1874 - 1954
HPI: 59.67
Rank: 8
Oskar Klein
1894 - 1977
HPI: 56.68
Rank: 9
Christopher Polhem
1661 - 1751
HPI: 56.65
Rank: 10
Knut Ångström
1857 - 1910
HPI: 51.44
Rank: 11
Wilhelm Hisinger
1766 - 1852
HPI: 49.44
Rank: 12
Bert Bolin
1925 - 2007
HPI: 49.27
Rank: 13