List of scientific constants named after people

This is a list of physical and mathematical constants named after people.^[1] Eponymous constants and their influence on scientific citations have been discussed in the literature.^[2]^{[lower-alpha 1]}

Archimedes' constant ( $π$ , pi) – Archimedes
Avogadro's number – Amedeo Avogadro
Bohr magneton – Niels Bohr
Bohr radius – Niels Bohr
Boltzmann constant – Ludwig Boltzmann
Cabibbo angle – Nicola Cabibbo
Chaitin's constant – Gregory Chaitin
Chandrasekhar limit – Subrahmanyan Chandrasekhar
Copeland–Erdős constant – Paul Erdős and Peter Borwein
Coulomb's constant (electric force constant, electrostatic constant, $k e$ ) – Charles-Augustin de Coulomb
Eddington number – Arthur Stanley Eddington
Embree–Trefethen constant
Erdős–Borwein constant
Euler–Mascheroni constant ( $\gamma$ ) – Leonhard Euler and Lorenzo Mascheroni
Euler's number ( $e$ ) – Leonhard Euler
Faraday constant – Michael Faraday
Feigenbaum constants – Mitchell Feigenbaum
Graham's number – Ronald Graham
Hartree energy – Douglas Hartree
Hubble's constant – Edwin Hubble
Josephson constant – Brian David Josephson
Kerr constant – 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
Ludolphsche Zahl – Ludolph van Ceulen
Mean of Phidias (golden ratio, $\phi$ , phi) – Phidias
Meissel–Mertens constant
Moser's number
Newton's constant (gravitational constant, $G$ ) – Sir Isaac Newton
Planck constant ( $h$ ) – Max Planck

Reduced Planck constant or Dirac constant ( $h$ -bar, $ħ$ ) – Max Planck, Paul Dirac

Ramanujan–Soldner constant – Srinivasa Ramanujan and Johann Georg von Soldner
Rydberg constant – Johannes Rydberg
Sackur–Tetrode constant – Otto Sackur and Hugo Tetrode
Sierpiński's constant – Wacław Sierpiński
Skewes' number – Stanley Skewes
Stefan–Boltzmann constant – Jožef Stefan and Ludwig Boltzmann
Theodorus' constant (√3 ≅ ±1.732050807568877...) – Theodorus of Cyrene
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

↑ 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.

↑ "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
↑ 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

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