Scientist

Name of the scientist [1]	Life	Nationality	Name of the constant
Isaac Newton	1643–1727	British	Newton's constant
Leonhard Euler	1707–1783	Swiss	Euler's number
Charles-Augustin de Coulomb	1736–1806	French	Coulomb's constant
Amedeo Avogadro	1776–1856	Italian	Avogadro constant
Michael Faraday	1791–1867	British	Faraday constant
Johann Josef Loschmidt	1821–1895	Austrian	Loschmidt constant
Johann Jakob Balmer	1825–1898	Swiss	Balmer's constant
Joseph Stefan	1835–1893	Slovene - Austrian	Stefan's constant[2]
Ludwig Boltzmann	1844–1906	Austrian	Boltzmann constant
Johannes Robert Rydberg	1854–1919	Swedish	Rydberg constant
Joseph John Thomson	1856–1940	British	Thomson cross section
Max Planck	1858–1947	German	Planck constant
Wilhelm Wien	1864–1928	German	Wien's constant
Owen Willans Richardson	1879–1959	British	Richardson constant
Otto Sackur	1880–1914	German	Sackur-Tetrode constant
Niels Bohr	1885–1962	Danish	Bohr magneton, Bohr radius
Edwin Hubble	1889–1953	American	Hubble constant[3]
Hugo Tetrode	1895–1931	Dutch	Sackur-Tetrode constant
Douglas Hartree	1897–1958	British	Hartree energy
Enrico Fermi	1901–1954	Italian - American	Fermi coupling constant
Roger Apéry	1916–1994	Greek - French	Apéry's constant
Brian David Josephson	1940	British	Josephson constant
Klaus von Klitzing	1943	German	von Klitzing constant