This is a list of physical and mathematical constants named after people. Eponymous constants and their influence on scientific citations have been discussed in the literature.
Apéry's constant – Roger Apéry Archimedes' constant (π, pi) – Archimedes Avogadro constant – Amedeo Avogadro 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 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 ( γ {\displaystyle \gamma } ) – Leonhard Euler and Lorenzo Mascheroni Euler's number ( e {\displaystyle e} ) – Leonhard Euler Faraday constant – Michael Faraday Feigenbaum constants – Mitchell Feigenbaum 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 Kaprekar's constant – D. R. Kaprekar 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, ϕ {\displaystyle \phi } , phi) – Phidias Meissel–Mertens constant Moser's number Newtonian constant of gravitation (gravitational constant, G {\displaystyle G} ) – Sir Isaac Newton Planck constant ( h {\displaystyle h} ) – Max Planck Reduced Planck constant or Dirac constant ( h {\displaystyle h} -bar, ħ) – Max Planck, Paul Dirac Ramanujan–Soldner constant – Srinivasa Ramanujan and Johann Georg von Soldner 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 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 Tupper's number – 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