View source for List of scientific constants named after people

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This is a list of [[physical constant|physical]] and [[mathematical constant]]s named after people.<ref>"Reflections on the Natural History of Eponymy and Scientific Law", Donald deB. Beaver, ''Social Studies of Science'', volume 6, number 1 (February 1976), pages 89–98. {{JSTOR|284787}}</ref>
[[Eponym]]ous constants and their influence on scientific citations have been discussed in the literature.<ref>[http://jis.sagepub.com/content/20/1/55.full.pdf ''Non-indexed Eponymal Citedness (NIEC): First Fact-finding Examination of a Phenomenon of Scientific Literature'']; Endre Száva-Kováts. "Journal of Information Science;" (1994); 20:55 {{doi|10.1177/016555159402000107}}</ref>{{efn|The article addresses the major premise in the argument against the [[Ortega hypothesis]]: that citation counts fairly reflect the importance of scientific contributions. It presents the results of a study of eponyms in scientific literature. The result is that usually when a journal paper refers to a unit, constant, technique, device, etc. that is named after a scientist (an "eponym"), that paper will not cite the person who is the namesake of the unit, constant, technique, etc. Early papers cite it more; later papers cite it less.}}

{{Expand list|date=May 2012}}
* [[Apéry's constant]] – [[Roger Apéry]]
* [[Pi|Archimedes' constant]] ({{pi}}, pi) – [[Archimedes]]
* [[Avogadro constant]] – [[Amedeo Avogadro]]
* [[Balmer series|Balmer's constant]] – [[Johann Jakob Balmer]]
* [[Belphegor's prime]] – [[Belphegor]] (demon)
* [[Bohr magneton]] – [[Niels Bohr]]
* [[Bohr radius]] – [[Niels Bohr]]
* [[Boltzmann constant]] – [[Ludwig Boltzmann]]
* [[Brun's theorem|Brun's constant]] – [[Viggo Brun]]
* [[Cabibbo angle]] – [[Nicola Cabibbo]]
* [[Chaitin's constant]] – [[Gregory Chaitin]]
* [[Champernowne constant]] – [[D. G. Champernowne]]
* [[Chandrasekhar limit]] – [[Subrahmanyan Chandrasekhar]]
* [[Copeland–Erdős constant]] – [[Paul Erdős]] and [[Peter Borwein]]
* [[Eddington number]] – [[Arthur Stanley Eddington]]
* [[Dunbar's number]] – [[Robin Dunbar]]
* [[Embree–Trefethen constant]]
* [[Erdős–Borwein constant]]
* [[Euler–Mascheroni constant]] (<math>\gamma</math>) – [[Leonhard Euler]] and [[Lorenzo Mascheroni]]
* [[Euler's number]] (<math>e</math>) – [[Leonhard Euler]]
* [[Faraday constant]] – [[Michael Faraday]]
* [[Feigenbaum constants]] – [[Mitchell Feigenbaum]]
* [[Fermi's interaction|Fermi coupling constant]] – [[Enrico Fermi]]
* [[Gauss's constant]] – [[Carl Friedrich Gauss]]
* [[Graham's number]] – [[Ronald Graham]]
* [[Hartree energy]] – [[Douglas Hartree]]
* [[Hubble constant]] – [[Edwin Hubble]]
* [[Josephson constant]] – [[Brian David Josephson]]
* [[6174 (number)|Kaprekar's constant]] – [[D. R. Kaprekar]]
* [[Kerr constant]] – [[John Kerr (physicist)|John Kerr]]
* [[Khinchin's constant]] – [[Aleksandr Khinchin]]
* [[Landau–Ramanujan constant]] – [[Edmund Landau]] and [[Srinivasa Ramanujan]]
* [[Legendre's constant]] (one, 1) – [[Adrien-Marie Legendre]]
* [[Loschmidt constant]] – [[Johann Josef Loschmidt]]
* [[:de:Ludolphsche Zahl|Ludolphsche Zahl]] – [[Ludolph van Ceulen]]
* [[Golden ratio|Mean of Phidias]] (golden ratio, <math>\phi</math>, phi) – [[Phidias]]
* [[Meissel–Mertens constant]]
* [[Moser's number]]
* [[Newtonian constant of gravitation]] (gravitational constant, <math>G</math>) – [[Sir Isaac Newton]]
* [[Planck constant]] (<math>h</math>) – [[Max Planck]]
:* Reduced Planck constant or Dirac constant (<math>h</math>-bar, {{math|ħ}}) – [[Max Planck]], [[Paul Dirac]]
* [[Ramanujan–Soldner constant]] – [[Srinivasa Ramanujan]] and [[Johann Georg von Soldner]]
* [[Thermionic emission|Richardson constant]] – [[Owen Willans Richardson]]
* [[Rayo's number]] – Agustin Rayo
* [[Rydberg constant]] – [[Johannes Rydberg]]
* [[Sommerfeld constant]] – [[Arnold Sommerfeld]]
*[[Sagan's number]] – [[Carl Sagan]]
* [[Sackur–Tetrode equation#Sackur–Tetrode constant|Sackur–Tetrode constant]] – [[Otto Sackur]] and [[Hugo Tetrode]]
* [[Sierpiński's constant]] – [[Wacław Sierpiński]]
* [[Skewes' number]] – [[Stanley Skewes]]
* [[Stefan–Boltzmann constant]] – [[Joseph Stefan|Jožef Stefan]] and [[Ludwig Boltzmann]]
* [[Theodorus' constant]] ([[Square root of 3|{{sqrt|3}}]] ≅ ±1.732050807568877...) – [[Theodorus of Cyrene]]
* [[Tupper's self-referential formula|Tupper's number]] – [[Tupper's self-referential formula|Jeff Tupper]]
* [[Viswanath's constant]] – Divakar Viswanath
* [[von Klitzing constant]] – [[Klaus von Klitzing]]
* [[Wien displacement law constant]] – [[Wilhelm Wien]]

==See also==
*[[List of eponymous laws]], for a list of laws named after people
*[[List of scientific laws named after people]]
*[[List of scientists whose names are used in physical constants]]

== Notes and references ==
{{notelist}}
{{reflist}}

{{DEFAULTSORT:Scientific constants named after people}}
[[Category:Lists of eponyms|Constants]]
[[Category:Mathematical constants|*]]
[[Category:Physical constants|*]]
[[Category:Science-related lists|Constants named after people]]