Scientific phenomena named after people
This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. Template:CompactTOC2
A
- Abderhalden-Fauser reaction — Emil Abderhalden
- Abney effect, Abney's law of additivity — William de Wiveleslie Abney
- Abrikosov lattice — Alexei Alexeyevich Abrikosov
- Accot-Zhai steering law — Johnny Accot and Shumin Zhai
- Aharonov-Bohm effect — Yakir Aharonov and David Bohm
- Alfvén wave — Hannes Olof Gösta Alfvén
- Allais effect — Maurice Allais
- Allee effect — Warder Clyde Allee
- Ampère's law — André-Marie Ampère
- Anderson-Higgs mechanism (a.k.a. Higgs mechanism) — Peter Higgs and Philip Warren Anderson
- Anderson-Darling test — Theodore W. Anderson, Jr. and Donald A. Darling
- Andreev reflection — Alexander F. Andreev
- Apgar score — Virginia Apgar
- Arago spot — Dominique François Jean Arago
- Michaelis-Arbuzov reaction — Aleksandr Erminingeldovich Arbuzov and August Karl Arnold Michaelis
- Archimedean spiral, Archimedes number — Archimedes
- Argand diagram — Jean Robert Argand
- Argunov-Cassegrain telescope — P. P. Argunov and Laurent Cassegrain
- Aristotle's lantern — Aristotle
- Armstrong oscillator — Edwin Armstrong
- Arndt-Eistert synthesis — Fritz Arndt and Bernd Eistert
- Arndt-Schulz law/principle/rule — Rudolf Arndt and Hugo Paul Friedrich Schulz
- Arrhenius equation — Svante August Arrhenius
- Ashkin-Teller model (a.k.a. Potts model) — Julius Ashkin and Edward Teller
- Asinger reaction — Friedrich Asinger
- Auger effect, electron — Pierre Victor Auger
- Autler-Townes effect — Stanley H. Autler and Charles H. Townes
- Auwers synthesis — Karl von Auwers
- Avogadro's law, number — Count Lorenzo Romano Amedeo Carlo Avogadro di Quaregna e Cerreto
B
- Baeyer-Drewson indigo synthesis — Johann Friedrich Wilhelm Adolf von Baeyer and Viggo Drewsen
- Baeyer-Villiger oxidation and Baeyer-Villiger rearrangement — Johann Friedrich Wilhelm Adolf von Baeyer and Victor Villiger
- Bagnold number — Ralph Alger Bagnold
- Baily's beads — Francis Baily
- Baker-Nathan effect — John William Baker and Wilfred S. Nathan
- Bakerian mimicry — Herbert G. Baker
- Baldwin effect — James Mark Baldwin
- Balmer line, series — Johann Jakob Balmer
- Bamberger rearrangement — Eugen Bamberger
- Bamford-Stevens reaction — William Randall Bamford and Thomas Stevens Stevens
- Bardeen vacuum — James Maxwell Bardeen
- Barkhausen effect — Heinrich Barkhausen
- Barnett effect — Samuel Jackson Barnett
- Barnum effect (a.k.a. Forer effect) — Phineas Taylor Barnum (and Bertram R. Forer)
- Barro-Ricardo equivalence — Robert Barro and David Ricardo
- Barton reaction — Sir Derek Harold Richard Barton
- Barton-McCombie reaction — Sir Derek Harold Richard Barton and Stuart W. McCombie
- Baskerville effect — the fictional Charles Baskerville of the novel The Hound of the Baskervilles
- Batesian mimicry — Henry Walter Bates
- Bayes' theorem — Rev. Thomas Bayes
- Baylis-Hillman reaction — Anthony B. Baylis and Melville E. D. Hillman
- Bayliss effect — William M. Bayliss
- BCS superconduction theory — John Bardeen, Leon Cooper, and Robert Schrieffer
- Beaufort scale (Beaufort wind force scale) — Sir Francis Beaufort
- Beckmann rearrangement — Ernst Otto Beckmann
- Beer's law (a.k.a. Beer-Lambert law or Beer-Lambert-Bouguer law) — August Beer (and Johann Heinrich Lambert and Pierre Bouguer)
- Beilstein's test — Friedrich Konrad Beilstein
- Bejan number — Adrian Bejan
- Bekenstein bound — Jacob Bekenstein
- Bell's inequality — John Stewart Bell
- Bell number — Eric Temple Bell
- Belousov-Zhabotinskii reaction — Boris Pavlovich Belousov and Anatol Markovich Zhabotinskii
- Bénard cell — Henri Bénard
- Bénard-Marangoni cell/convection (a.k.a. Marangoni convection) — Henri Bénard and Carlo Marangoni
- Benedict's test — Stanley Rossiter Benedict
- Benford's law — Frank Albert Benford, Jr.
- Benioff zone — see Wadati-Benioff zone, below
- Bennett pinch — Willard Harrison Bennett
- Berezinsky–Kosterlitz–Thouless transition — Veniamin L. Berezinsky, John M. Kosterlitz, and David J. Thouless
- Bergman cyclization — Robert George Bergman
- Bergmann's rule — Christian Bergmann
- Bergmann-Zervas carbobenzoxy method — Max Bergmann and Leonidas Zervas
- Bernoulli effect, Bernoulli's equation, principle — Daniel Bernoulli
- Berry's phase — Michael V. Berry
- Betz limit — Albert Betz
- Bezold-Brücke effect (a.k.a. von Bezold spreading effect) — Johann Friedrich Wilhelm von Bezold and Ernst Wilhelm von Brücke
- Biefeld-Brown effect — Paul Alfred Biefeld and Thomas Townsend Brown
- Biginelli reaction — Pietro Biginelli
- Biot number — Jean-Baptiste Biot
- Biot-Savart law — Jean-Baptiste Biot and Félix Savart
- Birch reduction — Arthur John Birch
- Birkeland currents — Kristian Birkeland
- Bischler-Napieralski synthesis — August Bischler and Bernard Napieralski
- Black's equation for electromigration — James R. Black (d. 2004) of Motorola
- Bloch wave — Felix Bloch
- Bodenstein number — probably Max Bodenstein (1871 — 1942)
- Bohm sheath criterion — David Bohm
- Bohr effect — Christian Bohr
- Bohr magneton, model, radius — Neils Bohr
- Boltzmann constant — Ludwig Boltzmann
- Borel algebra, measure, set, space, summation, Borel's lemma, paradox — Félix Édouard Justin Émile Borel
- Borel-Cantelli lemma — Félix Édouard Justin Émile Borel and Francesco Paolo Cantelli
- Borel-Carathéodory theorem — Félix Édouard Justin Émile Borel and Constantin Carathéodory
- Born-Haber cycle — Max Born and Fritz Haber
- Born-Oppenheimer approximation — Max Born and Robert Oppenheimer
- Borodin-Hunsdiecker reaction — Aleksandr Porphyrevich Borodin, Hienz Hunsdiecker, and Clare Hunsdiecker (née Dieckmann)
- Borrmann effect (a.k.a. Borrmann-Campbell effect) — Gerhard Borrman (and H. N. Campbell)
- Bortle Dark-Sky Scale — John E. Bortle
- Bose-Einstein condensate, effect, statistics — Satyendra Nath Bose and Albert Einstein
- Boson — Satyendra Nath Bose
- Boyle's law (a.k.a. Boyle-Mariotte law) — Robert Boyle (and Edme Mariotte)
- Brackett line/series — Frederick Sumner Brackett
- Bragg angle, Bragg's law, Bragg plane — William Henry Bragg and his son William Lawrence Bragg
- Bragg diffraction — William Lawrence Bragg
- Brans-Dicke theory — Carl H. Brans and Robert H. Dicke
- Bravais lattice — Auguste Bravais
- Bravais-Miller indices (a.k.a. Miller-Bravais indices) — Auguste Bravais and William Hallowes Miller
- Brayton cycle — George B. Brayton
- Bredt's rule - Julius Bredt
- Brewster's angle, law — David Brewster
- Brillouin zone — Léon Brillouin
- Brinkman number — Hendrik C. Brinkman
- Brook rearrangement — Adrian Gibbs Brook
- Brownian motion — Robert Brown
- Bucherer reaction — Hans Theodor Bucherer
- Büchi automata — Julius Richard Büchi
- Buckingham π theorem — Edgar Buckingham (and Aimé Vaschy)
- Burali-Forti paradox — Cesare Burali-Forti
C
- Cabannes-Daure effect — Jean Cabannes and Pierre Daure
- Cadiot-Chodkiewicz coupling, reaction — Paul Cadiot and Wladyslav Chodkiewicz
- Callendar effect — Guy Stewart Callendar
- Callippic cycle — Callippus of Cyzicus
- Calvin cycle (a.k.a. Calvin-Benson cycle) — Melvin Calvin (and Andy Benson)
- Cannizzaro reaction — Stanislao Cannizzaro
- Cardan angles (a.k.a. Tait-Bryan angles) — Gerolamo Cardano
- Carnot cycle, number — Nicolas Léonard Sadi Carnot
- Carpenter effect (a.k.a. Ideomotor effect) — William Benjamin Carpenter
- Cartan–Kähler theorem — Élie Cartan, Erich Kähler
- Casimir effect — Hendrik Casimir
- Catalan's conjecture (a.k.a. Mihăilescu's theorem), Catalan numbers — Eugène Charles Catalan
- Cauchy number (a.k.a. Hooke number) — Augustin-Louis Cauchy
- Cauchy-Kovalevskaya theorem — Augustin-Louis Cauchy, Sofia Kovalevskaya
- Cauer filter — Wilhelm Cauer
- Chandler wobble — Seth Carlo Chandler
- Chandrasekhar limit, number — Subrahmanyan Chandrasekhar
- Chapman rearrangement — Arthur William Chapman
- Charles's law — Jacques Charles
- Chebyshev distance, equation, filter, linkage, polynomials — Pafnuty Lvovich Chebyshev
- Chebyshev's inequality (a.k.a. Bienaymé-Chebyshev inequality) — Pafnuty Lvovich Chebyshev (and Irénée-Jules Bienaymé)
- Cherenkov radiation (a.k.a. Cherenkov-Vavilov radiation) — Pavel Alekseyevich Cherenkov (and Sergey Ivanovich Vavilov)
- Chichibabin pyridine amination reaction — Alexei Yevgenievich Chichibabin
- Chisholm's paradox — Roderick Milton Chisholm
- Christiansen cavity, effect, filter — Christian Christiansen
- Christoffel symbol — Elwin Bruno Christoffel
- Christofilos effect — Nicholas Christofilos
- Chugaev elimination/reaction, reagent — Lev Aleksandrovich Chugaev
- Ciamician photodisproportionation, synthesis — Giacomo Luigi Ciamician
- Claisen condensation, rearrangement — Rainer Ludwig Claisen
- Claisen-Schmidt reaction — Rainer Ludwig Claisen and J. Gustav Schmidt
- Clapp oscillator — James K. Clapp
- Clarke orbit — Arthur C. Clarke
- Clausius number — Rudolf Julius Emanuel Clausius
- Clemmensen reduction — Erik Christian Clemmensen
- Coanda effect — Henri Coanda
- Coase theorem — Ronald Coase
- Colburn-Chilton analogy (a.k.a. Colburn analogy) — Allan Philip Colburn and Thomas H. Chilton
- Coleman-Liau index — Meri Coleman and T. L. Liau
- Coleman-Mandula theorem — Sidney Coleman and Jeffrey Mandula
- Colpitts oscillator — Edwin H. Colpitts
- Compton effect, scattering, wavelength — Arthur Compton
- Coolidge effect — from a joke attributed to John Calvin Coolidge, Jr.
- Cooper pair — Leon Cooper
- Cope elimination, rearrangement — Arthur Clay Cope
- Corey-Fuchs reaction — Elias James Corey and Philip L. Fuchs
- Corey-Kim oxidation — Elias James Corey and Choung Un Kim
- Corey-Winter olefin synthesis — Elias James Corey and Roland Arthur Edwin Winter
- Coriolis effect — Gaspard-Gustave Coriolis
- Cotton effect — Aimé Auguste Cotton
- Cotton-Mouton effect — Aimé Auguste Cotton and H. Mouton
- Coulomb constant, law — Charles Augustin de Coulomb
- Coulter counter, principle — Wallace Henry Coulter
- Cowling number — probably Thomas George Cowling
- Coxeter-Dynkin diagram — Harold Scott MacDonald Coxeter and Eugene Borisovich Dynkin
- Crabtree effect — Herbert Grace Crabtree
- Criegee reaction, rearrangement — Rudolf Criegee
- Curie point — Pierre Curie
- Curry's paradox — Haskell Curry
- Curtin-Hammett principle — David Yarrow Curtin and Louis Plack Hammett
- Curtius rearrangement — Theodor Curtius
D
- Dakin reaction, Dakin-West reaction - Henry Drysdale Dakin (and Randolph West)
- Dalton's law (of partial pressures) — John Dalton
- Danishefsky reaction — Samuel J. Danishefsky
- Darlington pair — Sidney Darlington
- Darwin point, Darwinism — Charles Darwin
- Darzens condensation — Auguste George Darzens
- de Broglie wavelength — Louis de Broglie
- de Bruijn sequences — Nicolaas Govert de Bruijn
- de Haas-Van Alphen effect — Wander Johannes de Haas and P. M. van Alphen
- de Haas-Shubnikov effect (a.k.a. Shubnikov-De Haas effect) — Wander Johannes de Haas and Lev Vasiljevich Shubnikov
- Deborah number – the prophetess Deborah (Bible, Judges 5:5)
- Debye effect, length, model, shielding — Peter Joseph William Debye
- Debye-Falkenhagen effect — Peter Joseph William Debye and Hans Falkenhagen
- Richard Dedekind has many topics named after him; see biography article.
- Delbrück scattering — Max Ludwig Henning Delbrück
- Delépine reaction — Stéphane Marcel Delépine
- Dellinger effect (a.k.a. Mögel-Dellinger effect) — John Howard Dellinger (and Hans Mögel)
- Demjanov rearrangement — Nikolai Jakovlevich Demjanov
- Dess-Martin oxidation — Daniel Benjamin Dess and James Cullen Martin
- Dieckmann condensation — Walter Dieckmann
- Diels-Alder reaction — Otto Paul Hermann Diels and Kurt Alder
- Diophantine equation — Diophantus of Alexandria
- Dirac comb, fermion, spinor, equation, delta function, measure — Paul Dirac
- Johann Peter Gustav Lejeune Dirichlet has dozens of formulas named after him.
- Divisia index — François Divisia
- Doebner-Miller reaction — Oscar Döbner (Doebner) and Wilhelm von Miller
- Dollo's law — Louis Dollo
- Donnan effect (a.k.a. Gibbs-Donnan effect) — see Gibbs-Donnan effect, below
- Doppler effect (a.k.a. Doppler-Fizeau effect), Doppler profile — Christian Doppler (and Hippolyte Fizeau)
- Dötz reaction — Karl Heinz Dötz
- Drake equation ((a.k.a. Sagan equation, Green Bank equation) — Frank Drake (or Carl Sagan or Green Bank, West Virginia, home to the National Radio Astronomy Observatory (NRAO))
- Droste effect — Dutch chocolate maker Droste
- Drude model — Paul Drude
- Duff's device — Tom Duff
- Duffing equation, map — ? Duffing
- Duhamel's integral, and principle – Jean-Marie Constant Duhamel
- Dulong-Petit law — Pierre Louis Dulong and Alexis Thérèse Petit
- Bürgi-Dunitz angle — Jack David Dunitz
E
- Early effect — James M. Early
- Eddington limit — Arthur Eddington
- Edgeworth-Bowley box — Francis Ysidro Edgeworth and Arthur Lyon Bowley
- Edison effect — Thomas Edison
- Edman degradation — Pehr Victor Edman
- Edward-Lemieux effect (a.k.a. Anomeric effect) — John Thomas Edward and Raymond U. Lemieux
- Eglinton reaction — Geoffrey Eglinton
- Ehrenfest paradox — Paul Ehrenfest
- Eimer's organ — Gustav Heinrich Theodor Eimer
- Einstein shift — Albert Einstein
- Einstein-de Haas effect — Albert Einstein and Wander Johannes de Haas
- Einstein-Podolsky-Rosen paradox (a.k.a. EPR paradox, Einstein-Podolsky-Rosen-Bohm paradox) — Albert Einstein, Boris Podolsky, Nathan Rosen (and David Bohm)
- Ekman layer — Walfrid Ekman
- Elbs reaction — Karl Elbs
- Elliott-Halberstam conjecture — Peter D. T. A. Elliott and Heini Halberstam
- Elman network — Jeff Elman
- Elsasser number - Walter M. Elsasser
- Engel curve — Ernst Engel
- Epimenides paradox — Epimenides of Knossos
- Erlenmeyer flask, rule, synthesis — Richard August Carl Emil Erlenmeyer
- Eschenmoser fragmentation — Albert Eschenmoser
- Eschweiler-Clarke reaction — Wilhelm Eschweiler and Hans Thacher Clarke
- Eshelby's inclusion — John D. Eshelby
- Étard reaction — Alexandre Léon Étard
- Ettinghausen effect — Albert von Ettinghausen
- Euler this and that — Leonhard Euler
- Evershed effect — John Evershed
F
- Faà di Bruno's formula — Francesco Faà di Bruno
- Faraday constant, effect, Faraday's law of induction, Faraday's law of electrolysis — Michael Faraday
- Farnsworth-Hirsch fusor — Philo T. Farnsworth and Robert L. Hirsch
- Favorskii reaction, rearrangement — Alexei Yevgrafovich Favorskii
- Fenton reaction — Henry John Horstman Fenton
- Fermat's principle — Pierre de Fermat
- Fermi energy, paradox, surface, Fermion — Enrico Fermi
- Fermi-Dirac statistics — Enrico Fermi and Paul Dirac
- Ferrers diagram (a.k.a. Young diagram, Ferrers graph) — Norman Macleod Ferrers
- Feshbach resonance — Herman Feshbach
- Feynman diagram — Richard Feynman
- Finkelstein reaction — Hans Finkelstein
- Fischer esterification, indole synthesis — Emil Hermann Fischer
- Fischer-Hafner reaction — Ernst Otto Fischer and Walter Hafner
- Fischer-Tropsch process — Franz Joseph Emil Fischer and Hans Tropsch
- Fischer-Hepp rearrangement — Otto Philipp Fischer and Eduard Hepp
- Fisher distribution — Ronald A. Fisher
- Fisher equation — Irving Fisher
- Fitts' law — Paul M. Fitts
- Flesch-Kincaid Readability Test — Rudolf F. Flesch and J. Peter Kincaid
- Fletcher–Munson effect and Fletcher–Munson curves — Harvey Fletcher and Wilden A. Munson
- Flynn effect — James R. Flynn
- Forbush effect — Scott Ellsworth Forbush
- Forer effect (a.k.a. Barnum effect) — Bertram R. Forer (and Phineas Taylor Barnum)
- Foucault effect (a.k.a. Foucault pendulum) — Jean Bernard Léon Foucault
- Fourier number — Joseph Fourier
- Fourier–Motzkin elimination — Joseph Fourier and Theodore Motzkin
- Franck–Condon factor, principle, transition — James Franck and Edward Uhler Condon
- Franssen effect — Nico Franssen
- Franz-Keldysh effect — Walter Franz and Leonid V. Keldysh
- Fraunhofer diffraction, lines — Joseph von Fraunhofer
- Fresnel zone — Augustin Fresnel
- Frey effect — Allan H. Frey
- Friedel oscillations — Jacques Friedel
- Friedel-Crafts reaction — Charles Friedel and James Mason Crafts
- Friedländer synthesis — Paul Friedländer
- Friedmann-Lemaître-Robertson-Walker metric (a.k.a. Friedmann-Robertson-Walker metric, Robertson-Walker metric) — Alexander Friedmann, Georges Lemaître, Howard Percy Robertson and Arthur Geoffrey Walker
- Fries and Photo-Fries rearrangement — Karl Theophil Fries
- Fritsch-Buttenberg-Wiechell rearrangement — Paul Ernst Moritz Fritsch, Wilhelm Paul Buttenberg, and Heinrich G. Wiechell
- Frobenius algebra, automorphism, method, norm, theorem — Ferdinand Georg Frobenius
- Froude number — William Froude
- Fry readability formula — Edward Fry
- Fujita scale (a.k.a. F-Scale, Fujita-Pearson scale) — Tetsuya Theodore Fujita (and Allen Pearson)
- Fujiwhara effect — Sakuhei Fujiwhara
G
- Gabriel synthesis — Siegmund Gabriel
- Gattermann reaction — Ludwig Gattermann
- Gattermann-Koch reaction — Ludwig Gattermann and Julius Arnold Koch
- Gause's principle — Georgii Gause
- Gauss's law — Carl Friedrich Gauss
- Geib-Spevack process (a.k.a. Girdler sulfide (GS) process) — Karl-Hermann Geib and Jerome S. Spevack (and the Girdler company, which built the first American plant using the process)
- Geiger counter (a.k.a. Geiger-Müller counter) — Johannes Wilhelm (Hans) Geiger (and Walther Müller)
- Geiger-Marsden experiment (a.k.a. Rutherford experiment) — Johannes Wilhelm (Hans) Geiger and Ernest Marsden
- Geiger-Müller tube — Johannes Wilhelm (Hans) Geiger and Walther Müller
- Geiger-Nuttall law/rule — Johannes Wilhelm (Hans) Geiger and John Mitchell Nuttall
- Geissler tube — Heinrich Geissler
- Gibbs entropy, free energy, paradox, Gibbs' phase rule, Gibbs phenomenon — Josiah Willard Gibbs
- Gibbs-Donnan effect (a.k.a. Donnan effect) — Josiah Willard Gibbs and Frederick G. Donnan
- Gibbs-Marangoni effect (a.k.a. Marangoni effect) — Josiah Willard Gibbs and Carlo Marangoni
- Gibbs-Helmholtz equation — Josiah Willard Gibbs and Hermann von Helmholtz
- Gibbs-Thomson effect — Josiah Willard Gibbs and three Thomsons: James Thomson, William Thomson, 1st Baron Kelvin, Sir J. J. Thomson
- Giffen good — Sir Robert Giffen
- Goldbach's conjecture — Christian Goldbach
- Goldstone boson (a.k.a. Nambu-Goldstone boson) — see Nambu-Goldstone boson, below
- Gomberg-Bachmann reaction — Moses Gomberg and Werner Emmanuel Bachmann
- Goodhart's law — Charles Goodhart
- Goos-Hänchen effect/shift — F. Goos and H.Hänchen
- Grashof number — Franz Grashof
- Greisen-Zatsepin-Kuzmin cut-off/limit — Kenneth Greisen, Georgiy Zatsepin and Vadim Kuzmin
- Gresham's law — Sir Thomas Gresham
- Griess test (diazotization reaction) — Johann Peter Griess
- Grignard reaction — François Auguste Victor Grignard
- Grob fragmentation — Cyril A. Grob
- Grotrian diagram — Walter Robert Wilhelm Grotrian
- Grotthuss chain — Christian Johann Dietrich Theodor von Grotthuss
- Grotthuss-Draper law — Christian Johann Dietrich Theodor von Grotthuss and John William Draper
- Gunn diode, effect — John Battiscombe Gunn
- Gunning fog index — Robert Gunning
- Gutenberg-Richter law — Beno Gutenberg and Charles Francis Richter
H
- Haar measure — Alfréd Haar
- Hadamard inequality — Jacques Solomon Hadamard
- Hadamard transform (a.k.a. Hadamard–Rademacher–Walsh transform) — Jacques Solomon Hadamard, Hans Adolph Rademacher, and Joseph Leonard Walsh
- Haldane effect — John Scott Haldane
- Haldane's principle — John Burdon Sanderson Haldane
- Hall effect — Edwin Hall
- Hamilton's rule — William Donald "Bill" Hamilton
- Hammond postulate — George Simms Hammond
- Hanle effect — Wilhelm Hanle
- Hardy notation, space — Godfrey Harold Hardy
- Hardy–Littlewood circle method, first conjecture — Godfrey Harold Hardy and John E. Littlewood
- Hardy–Weinberg principle — Wilhelm Weinberg and Godfrey Harold Hardy
- Harrod-Johnson diagram — Roy F. Harrod and Harry G. Johnson
- Hartley oscillator — Ralph Hartley
- Hartman effect — Thomas E. Hartman
- Hartree energy — Douglas Hartree
- Hasse diagram, principle — Helmut Hasse
- Hasse–Minkowski theorem — Helmut Hasse and Hermann Minkowski
- Hausdorff dimension — Felix Hausdorff
- Hawthorne effect — from the Hawthorne Works factory (where experiments were carried out 1924—1932)
- Hayflick limit — Leonard Hayflick
- Hawking radiation (a.k.a. Bekenstein-Hawking radiation) — Stephen Hawking (and Jacob Bekenstein)
- Heaviside layer — see Kennelly-Heaviside layer below
- Hebbian learning — Donald Olding Hebb
- Heine–Borel theorem — Heinrich Eduard Heine and Félix Édouard Justin Émile Borel
- Heinlein's razor — see Hanlon's razor, above
- Heisenberg uncertainty principle — Werner Heisenberg
- Hellmann–Feynman theorem — Hans Hellmann and Richard Feynman
- Helmholtz free energy, Helmholtz resonance — Hermann von Helmholtz
- Hénon map — Michel Hénon
- Henrietta's law — see Leavitt's law, below
- Herbrand base, interpretation, structure, universe, and Herbrand's theorem — Jacques Herbrand
- Herschel effect — Sir John Herschel
- Hertz effect — Heinrich Rudolf Hertz
- Hertzsprung-Russell diagram — Ejnar Hertzsprung and Henry Norris Russell
- Heusler alloy — Fritz Heusler
- Heyting algebra, arithmetic — Arend Heyting
- Hick's law, a.k.a. Hick–Hyman law — William Edmund Hick and Ray Hyman
- Higgs boson, field — Peter Higgs
- Higgs mechanism — see Anderson-Higgs mechanism, above
- Hilbert–Waring theorem (a.k.a. Waring's problem) — David Hilbert and Edward Waring
- Hill sphere (a.k.a. Roche sphere) — George William Hill (and Édouard Roche)
- Hills cloud — Jack G. Hills
- Hipparchic cycle — Hipparchus of Nicaea (a.k.a. Hipparchus of Rhodes)
- Hirayama family — Kiyotsugu Hirayama
- Hirsch-Meeks fusor — Robert L. Hirsch and Gene A. Meeks
- Hofstadter's butterfly, law — Douglas Richard Hofstadter
- Holetschek effect — Johann Holetschek
- Hopfield network — John J. Hopfield
- Hubbert peak — Marion King Hubbert
- Hubble constant, expansion — Edwin Hubble
- Humphreys line/series — Curtis J. Humphreys
- Hund's Rules — Friedrich Hund
- Hunsdiecker reaction — Heinz Hunsdiecker and Cläre Hunsdiecker
- Hutchison effect — John Hutchison
- Huygens–Fresnel principle — Christiaan Huygens and Augustin-Jean Fresnel
I
- Imbert-Fedorov effect — C. Imbert, F. I. Fedorov
- Ishikawa diagram — Kaoru Ishikawa
- Ising model (a.k.a. Lenz–Ising model) — Ernst Ising (and Wilhelm Lenz)
J
- Jahn–Teller effect — Hermann Arthur Jahn and Edward Teller
- Jarque-Bera test — Carlos M. Jarque and Anil K. Bera
- Johnson–Nyquist noise — John B. Johnson and Harry Nyquist
- Jordan's rule/law — David Starr Jordan
- Josephson constant, effect, junction — Brian David Josephson
- Joule's law (a.k.a. Joule–Lenz law) — James Prescott Joule and Heinrich Friedrich Emil Lenz
- Joule–Thomson effect (a.k.a. Joule–Kelvin effect) — James Prescott Joule and William Thomson, 1st Baron Kelvin
K
- K3 surface — Ernst Kummer, Erich Kähler, Kunihiko Kodaira
- Kähler differential, manifold, metric — Erich Kähler
- Karnaugh map (a.k.a. Karnaugh-Veitch map, Veitch diagram) — Maurice Karnaugh (and Edward W. Veitch)
- Kater's pendulum — Captain Henry Kater
- Kaye effect — Alan Kaye
- Keeling curve — Charles David Keeling
- Kelvin–Joule effect — William Thomson, 1st Baron Kelvin
- Kelvin-Voigt material, model – Woldemar Voigt and William Thomson, 1st Baron Kelvin
- Kennelly-Heaviside layer — Arthur Edwin Kennelly and Oliver Heaviside
- Kepler's laws of planetary motion — Johannes Kepler
- Kerr effect — John Kerr
- Kirkendall effect — Ernest Kirkendall
- Klein–Gordon equation — Oskar Klein and Walter Gordon
- Klein-Nishina effect — Oskar Klein and Yoshio Nishina
- Knudsen cell, number — Martin Hans Christian Knudsen
- Kodaira dimension, embedding theorem, vanishing theorem — Kunihiko Kodaira
- Koenigs–Knorr reaction — Wilhelm Koenigs and Edward Knorr
- Kohn effect — Walter Kohn
- Kohn-Sham equations — Walter Kohn and Lu Jeu Sham
- Kohonen network — Teuvo Kohonen
- Kolbe-Schmitt reaction and Kolbe electrolysis— Adolph Wilhelm Hermann Kolbe and Rudolf Schmitt
- Kondo effect — Jun Kondo
- Kornblum oxidation and Kornblum–DeLaMare rearrangement — Nathan Kornblum and Harold E. DeLaMare
- Kossel effect — Walther Kossel
- Kosterlitz–Thouless transition — see Berezinsky–Kosterlitz–Thouless transition, above
- Kozai effect — Yoshihide Kozai
- Krebs cycle — Hans Adolf Krebs
- Kratzer potential — Adolf Kratzer
- Kronecker delta — Leopold Kronecker
- Kuiper Belt — Gerard Kuiper
- Kummer's function, Kummer surface — Ernst Kummer
- Kuramoto model — Yoshiki Kuramoto
L
- Lagrangian mechanics, Lagrange points — Joseph Louis Lagrange
- Lamb shift — Willis Lamb
- Lambert's cosine law (a.k.a. Lambert's emission law) — Johann Heinrich Lambert
- Landau damping, pole — Lev Davidovich Landau
- Landau–Pomeranchuk–Migdal effect — Lev Davidovich Landau, Isaak Pomeranchuk, and Arkady Migdal
- Landau–Zener transition — Lev Davidovich Landau and Clarence Zener
- Landé g-factor — Alfred Landé
- Langmuir probe — Irving Langmuir
- Langmuir–Blodgett film — Irving Langmuir and Katharine B. Blodgett
- Larmor frequency, precession, radius — Sir Joseph Larmor
- Larsen effect — Soren Larsen
- Laspeyres index — Ernst Louis Etienne Laspeyres
- Leavitt's law (a.k.a. Henrietta's law) — Henrietta Swan Leavitt
- Le Chatelier's principle — Henri Louis Le Chatelier
- Leidenfrost effect, point — Johann Gottlob Leidenfrost
- Lenard effect — Philipp Eduard Anton von Lenard
- Lennard-Jones potential — John Lennard-Jones
- Lense-Thirring effect (a.k.a. Thirring effect) — Josef Lense and Hans Thirring
- Lenz's law — Heinrich Friedrich Emil Lenz
- Levi-Civita symbol — Tullio Levi-Civita
- Little-Parks effect — W. A. Little and R. D. Parks
- Littlewood-Offord problem — John E. Littlewood and A. Cyril Offord
- Locard's exchange principle – Edmond Locard
- Lombard effect - Étienne Lombard
- London force — Fritz London
- Lorentz force, transformation — Hendrik Antoon Lorentz
- Lorentz–Lorenz equation — Hendrik Antoon Lorentz and Ludvig Lorenz
- Lorenz attractor — Edward Norton Lorenz
- Lorenz curve — Max O. Lorenz
- Lorenz gauge condition — Ludvig Lorenz
- Lorenz-Mie scattering — see Mie scattering, below
- Loschmidt's paradox — Johann Loschmidt
- Lotka-Volterra equation — Alfred J. Lotka and Vito Volterra
- Love waves — Augustus Edward Hough Love
- Lucas critique — Robert Lucas, Jr.
- Lyapunov's central limit theorem, equation, exponent, fractal, function, stability, test, time and tube — Aleksandr Mikhailovich Lyapunov
- Lyman line, series — Theodore Lyman
M
- Mach band/effect, number, principle — Ernst Mach
- Mach-Zehnder interferometer — Ernst Mach and Ludwig Zehnder
- Madelung constant, Madelung rule, Madelung energy — Erwin Madelung
- Maggi-Righi-Leduc effect — Gian Antonio Maggi, Augusto Righi and S. Leduc
- Magnus effect — Heinrich Gustav Magnus
- Mahalanobis distance — Prasanta Chandra Mahalanobis (প্রশান্ত চন্দ্র মহলানবিস)
- Mahler measure, Mahler's theorem — Kurt Mahler
- Malmquist bias, effect — Karl Gunnar Malmquist
- Malus' law — Étienne-Louis Malus
- Malthusian parameter — named by Ronald Fisher as a criticism of Thomas Robert Malthus
- Malthusian catastrophe, growth model — Thomas Robert Malthus
- Mandel'shtam-Brillouin scattering — Leonid Isaakovich Mandel'shtam and Léon Brillouin
- Marangoni cell/convection (a.k.a. Bénard-Marangoni convection) — see Bénard-Marangoni cell/convection, above
- Marangoni effect (a.k.a. Gibbs-Marangoni effect) — see Gibbs-Marangoni effect, above
- Markov's inequality, chain, partition, Markovian process — Andrey Markov
- Mathieu functions — Émile Léonard Mathieu
- Matilda effect — Matilda Joslyn Gage
- Matthew effect — Matthew the Evangelist
- Maxwell effect (optics) — James Clark Maxwell
- Maxwell-Boltzmann distribution — James Clark Maxwell and Ludwig Boltzmann
- Maxwell-Wien bridge — James Clark Maxwell(?) and Wilhelm Wien
- Mazurkiewicz trace — Antoni Mazurkiewicz
- McCollough effect — Celeste McCollough
- McCulloch-Pitts neuron — Warren McCulloch and Walter Pitts
- McGurk effect (a.k.a. McGurk-MacDonald effect) — Harry McGurk (and John MacDonald
- Mealy machine — George H. Mealy
- Meissner effect (a.k.a. Meissner-Ochsenfeld effect) — Walter Meissner (and Robert Ochsenfeld)
- Mendelian inheritance — Gregor Mendel
- Mercalli intensity scale (Modified Mercalli scale) — Giuseppe Mercalli
- Metonic cycle — Meton of Athens
- Meyers synthesis — Albert I. Meyers
- Mie scattering (a.k.a. Lorenz-Mie scattering) — Gustav Mie (and Ludvig Lorenz)
- Mihăilescu's theorem (a.k.a. Catalan's conjecture) — Preda Mihăilescu
- Mikheyev-Smirnov-Wolfenstein effect — Stanislav Mikheyev, Alexei Smirnov, and Lincoln Wolfenstein
- Miller effect — John Milton Miller (John M. Miller)
- Miller indices (a.k.a. Miller-Bravais indices) — William Hallowes Miller (and Auguste Bravais)
- Misznay-Schardin effect — Col. Misznay and Hubert Schardin
- Mögel–Dellinger effect — see Dellinger effect, above
- Mohorovičić discontinuity (Moho) — Andrija Mohorovičić
- Mohr's circle — Christian Otto Mohr
- Mohr-Coulomb theory — Christian Otto Mohr and Charles-Augustin de Coulomb
- Moore machine — Edward Forrest Moore
- Morgan unit — Thomas Hunt Morgan
- Morse potential — Philip M. Morse
- Mössbauer effect — Rudolf Mössbauer
- Mott cross section, Mott insulator, Mott transition — Nevill Francis Mott
- Mpemba effect — Erasto B. Mpemba
- Müllerian mimicry — Fritz Müller
- Munroe effect — Charles Edward Munroe
- Murphy's law — Maj. Edward A. Murphy, Jr.
N
- Nambu-Goldstone boson (a.k.a. Goldstone boson) — Yoichiro Nambu and Jeffrey Goldstone
- Nash equilibrium — John Forbes Nash
- Nassi-Shneiderman diagram — Isaac Nassi and Ben Shneiderman
- Necker cube — Louis Albert Necker
- Néel temperature — Louis Néel
- Nernst equation — Walther Hermann Nernst
- Nernst-Ettingshausen effect — Walther Hermann Nernst and Albert von Ettingshausen
- Newcomb's paradox — William Newcomb
- Newton's rings, Newtonian constant, mechanics — Isaac Newton
- Nichols-Tolman effect — Nichols and Richard Chace Tolman
- Nordmann-Tikhoff effect — Charles Nordmann and Gavriil Adrianovich Tikhov
- Nordtvedt effect — Kenneth L. Nordtvedt
- Nurgaliev's law — Ildus S. Nurgaliev
- Nyquist frequency, Nyquist rate — Harry Nyquist
- Nyquist-Shannon sampling theorem (a.k.a. Nyquist-Shannon-Kotelnikov, Whittaker-Shannon-Kotelnikov, Whittaker-Nyquist-Kotelnikov-Shannon, WKS theorem) — Harry Nyquist, Claude Shannon, E. T. Whittaker, and Vladimir Kotelnikov
O
- O'Connell effect — Daniel Joseph Kelly O'Connell
- Olbers' paradox — Heinrich Wilhelm Olbers
- Ohm's law — Georg Ohm
- Okun's law — Arthur Okun
- Omori's law — Fusakichi Omori
- Onnes effect — Heike Kamerlingh Onnes
- Oort cloud (a.k.a. Öpik-Oort Cloud) — Jan Hendrik Oort (and Ernst Julius Öpik)
- Ostwald's dilution law, Ostwald process — Friedrich Wilhelm Ostwald
- Overhauser effect — Albert Overhauser
- Ovshinsky effect — Stanford R. Ovshinsky
P
- Paal-Knorr synthesis — Carl Paal and Ludwig Knorr
- Pareto chart, distribution, efficiency, index, principle — Vilfredo Federico Damaso Pareto
- Parrondo's paradox — J. M. R. Parrondo
- Paschen curve, line, law — Friedrich Paschen
- Paschen-Back effect — Friedrich Paschen and Ernst Back
- Paternò-Büchi reaction - Emanuele Paternò and George Hermann Büchi
- Pasteur effect — Louis Pasteur
- Pauli exclusion principle — Wolfgang Pauli
- Peano curve — Giuseppe Peano
- Pearson-Anson effect — S. O. Pearson and H. St. G. Anson
- Péclet number — Jean Claude Eugène Péclet
- Peltier effect — Jean Charles Athanase Peltier
- Perlin noise — Ken Perlin
- Perron-Frobenius theorem — Oskar Perron, and Ferdinand Georg Frobenius
- Petkau effect — Abram Petkau
- Petri dish — Julius Richard Petri
- Petri net — Carl Adam Petri
- Peyer's patches — Johann Conrad Peyer
- Pfund line/series — August Herman Pfund
- Phillips curve — William Phillips (economist)
- Pigou effect — Arthur Cecil Pigou
- Pisot-Vijayaraghavan number — Charles Pisot and Tirukkannapuram Vijayaraghavan
- Planck constant, length, mass, time — Max Planck
- Platonic year — Plato
- Pockels effect — Friedrich Carl Alwin Pockels
- Pogson ratio — Norman Robert Pogson
- Poincaré map, section — Jules-Henri Poincaré
- Poincaré-Bendixson theorem — Jules-Henri Poincaré and Ivar Otto Bendixson
- Poinsot spiral — Louis Poinsot
- Polian vesicles — Giuseppe Saverio Poli
- Potts cluster, Potts model (a.k.a. Ashkin-Teller model) — Renfrey B. Potts
- Pourbaix diagram — Marcel Pourbaix
- Poynting effect, vector — John Henry Poynting
- Poynting-Robertson effect — John Henry Poynting and Howard Percy Robertson
- Prandtl number — Ludwig Prandtl
- Primakov effect — ? Primakov
- Proteus phenomenon — Proteus (mythological god)
- Prouho's membrane — Henri Prouho
- Pulfrich effect — Carl Pulfrich
- Purkinje effect/shift — Johannes Evangelista Purkinje
- Pygmalion effect (a.k.a. Rosenthal effect, Observer-expectancy effect) — Pygmalion (and Robert Rosenthal)
R
- Rabi oscillations — Isidor Isaac Rabi
- Rademacher distribution, function, series, sum — Hans Adolph Rademacher
- Rademacher-Kolmogorov theorem — Hans Adolph Rademacher and Andrey Nikolaevich Kolmogorov
- Rademacher-Menchov theorem — Hans Adolph Rademacher and ? Menchov
- Raman scattering — Chandrasekhara Venkata Raman
- Ramsauer-Townsend effect (a.k.a. Ramsauer effect, Townsend effect) — Carl Ramsauer and John Sealy Townsend
- Ramsden circle/disc/eyepoint, eyepiece — Jesse Ramsden
- Ramsey spectroscopy - Norman F. Ramsey
- Ramsey theory — Frank Plumpton Ramsey
- Ramsey-DeFinetti theorem — Frank Plumpton Ramsey and Bruno de Finetti
- Rapoport's rule — Eduardo H. Rapoport
- Raychaudhuri's equation — Amal Kumar Raychaudhuri (অমল কুমার রায়চৌধুরী)
- Raygor Estimate Graph — Alton L. Raygor
- Rayleigh criterion, distribution, fading, number, quotient, scattering, waves — Lord Rayleigh
- Rayleigh-Bénard cell/convection — Lord Rayleigh and Henri Bénard
- Rayleigh-Jeans law — Lord Rayleigh and Sir James Jeans
- Rees–Sciama effect — Martin Rees and Dennis Sciama
- Reidemeister moves — Kurt Reidemeister
- Rescorla-Wagner rule — Robert A. Rescorla and Allan R. Wagner
- Reynolds number, Reynolds analogy — Osborne Reynolds
- Ribot's law (of Retrograde Amnesia) — Théodule Ribot
- Ricardian equivalence — see Barro-Ricardo equivalence, above
- Richards controller — Charles L. Richards
- Richardson's constant, equation, law — Owen Willans Richardson
- Richardson number — Lewis Fry Richardson
- Richter magnitude scale — Charles Francis Richter
- Righi-Leduc effect (a.k.a. Leduc-Righi effect) — Augusto Righi and S. Leduc
- Ringelmann effect — Max Ringelmann
- Robertson-Walker metric (a.k.a. Friedmann-Robertson-Walker metric) — see Friedmann-Lemaître-Robertson-Walker metric, above
- Roche limit — Édouard Roche
- Roche sphere (a.k.a. Hill sphere) — Édouard Roche (and George William Hill)
- Rollin film — Bernard V. Rollin
- Rosenthal effect (a.k.a. Pygmalion effect, Observer-expectancy effect) — Robert Rosenthal (and Pygmalion)
- Rossi-Forel scale — Michele Stefano Conte de Rossi and François-Alphonse Forel
- Rössler equation — Otto Rössler
- Rossmann fold — Michael Rossmann
- Ruelle operator, zeta function — David Ruelle
- Ruelle-Perron-Frobenius theorem — David Ruelle, Oskar Perron, and Ferdinand Georg Frobenius
- Ruhmkorff coil — Heinrich D. Ruhmkorff
- Runge's phenomenon — Carle David Tolmé Runge
- Russell's paradox — Bertrand Russell
- Rutherford experiment (a.k.a. Geiger-Marsden experiment), scattering — Ernest Rutherford
- Rybczynski theorem — Tadeusz Rybczynski
- Rydberg constant, formula — Johannes Rydberg
S
- Sabatier or Sabattier effect — Sabat[t]ier, first name unknown
- Sachs-Wolfe effect — Rainer Kurt Sachs and Arthur Michael Wolfe
- Saffir-Simpson hurricane scale — Herbert S. Saffir and Robert ("Bob") Simpson
- Sagnac effect — Georges Sagnac
- Saha ionization equation (a.k.a. Saha-Langmuir equation) — Megh Nad Saha (মেঘনাদ সাহা) (and Irving Langmuir)
- St. Elmo's fire — Erasmus of Formiae
- Salem number — Raphaël Salem
- Sapir–Whorf hypothesis — Edward Sapir and Benjamin Whorf
- Sasakian manifold, metric — Shigeo Sasaki
- Say's law — Jean-Baptiste Say
- Schering Bridge — Harald Schering
- Schild plot, regression analysis — Heinz Otto Schild
- Schottky effect — Walter H. Schottky
- Schröter effect — Johann Hieronymus Schröter
- Schülen-Wilson effect — see Wilson effect, below
- Schuler period, tuning — Maximilian Schuler
- Schumann-Runge bands — Victor Schumann and Carle David Tolmé Runge
- Schwarzschild effect, metric, radius — Karl Schwarzschild
- Scott Effect — Elizabeth L. Scott
- Searl effect — John R. R. Searl
- Secchi (stellar) class, depth, disk — Pietro Angelo Secchi
- Seebeck effect — Thomas Johann Seebeck
- Sertoli cells — Enrico Sertoli
- Serre duality — Jean-Pierre Serre
- Seyfert galaxy — Carl Keenan Seyfert
- Shapiro effect — Irwin Shapiro
- Shimizu-Morioka equations — Tatsujiro Shimizu and N. Morioka
- Shubnikov-De Haas effect — see De Haas-Shubnikov effect, above
- Sieberg tsunami intensity scale — August H. Sieberg
- Sieberg-Ambraseys tsunami intensity scale — August H. Sieberg and Nicholas N. Ambraseys
- Simmons-Smith reaction — Howard Ensign Simmons, Jr.
- Simroth's organs — Heinrich Rudolf Simroth
- Smale's horseshoe — Stephen Smale
- Smale-Rössler theorem — Stephen Smale and Otto Rössler
- Snell's law — Willebrord van Roijen Snell
- Soloviev tsunami intensity scale — Sergey L. Soloviev
- Sommerfeld–Kossel displacement law — Arnold Sommerfeld and Walther Kossel
- Spörer's law, Spörer Minimum — Gustav Spörer
- Staebler-Wronski effect — David L. Staebler and Christopher R. Wronski
- Stark effect (a.k.a. Stark-Lo Surdo effect) — Johannes Stark (and Antonino Lo Surdo)
- Stark ladder (a.k.a. Wannier-Stark ladder, q.v.) — Johannes Stark and Gregory Hugh Wannier
- Stark-Einstein law — Johannes Stark and Albert Einstein
- Stebbins-Whitford effect — Joel Stebbins and Albert Edward Whitford
- Stefan's constant, law (a.k.a. Stefan-Boltzmann constant, law) — Jožef Stefan (and Ludwig Boltzmann)
- Stensen's duct — Niels Stensen
- Stern-Levison parameter — S. Alan Stern and Harold F. Levison
- Stevens effect — J. C. and Stanley Smith Stevens
- Stevens' power law — Stanley Smith Stevens
- Stewart's organs — Charles Stewart
- Stewart-Tolman effect — Thomas Dale Stewart and Richard Chace Tolman
- Stirling number — James Stirling
- Stokes radius — George Gabriel Stokes
- Stokes shift — George Gabriel Stokes
- Stolper-Samuelson theorem — Paul Samuelson and Wolfgang Stolper
- Strömgren age, photometry, sphere — Bengt Georg Daniel Strömgren
- Strömgren-Crawford photometry — Bengt Georg Daniel Strömgren and David L. Crawford
- Stroop effect — John Ridley Stroop
- Strouhal number — Vincenc Strouhal
- Stückelberg action — Ernst Carl Gerlach Stueckelberg
- Sturgeon's law — Theodore Sturgeon
- Sturmian trajectories — Charles François Sturm
- Suess effect — Hans Eduard Suess
- Sunyaev-Zel'dovich effect — Rashid Sunyaev and Yakov Zel'dovich
T
- Tait-Bryan angles (a.k.a. Cardan angles, nautical angles) — Peter Guthrie Tait and George Bryan (?)
- Talbot effect — William Henry Fox Talbot
- Teller-Ulam design — Edward Teller and Stanisław Ulam
- Tesla effect, oscillation (a.k.a. Vackár oscillation) — Nikola Tesla (and Jirí Vackár)
- Thévenin's theorem — Léon Charles Thévenin
- Thirring effect — see Lense-Thirring effect, above
- Thomas precession — Llewellyn Thomas
- Thomas-Fermi approximation, model — Llewellyn Hilleth Thomas and Enrico Fermi
- Thomson cross-section, effect — William Thomson, 1st Baron Kelvin
- Thorndike's laws (of effect, readiness, and exercise) — Edward L. Thorndike
- Thorson's rule — Gunnar Thorson
- Thouless energy — David J. Thouless
- Tiedemann's bodies — Friedrich Tiedemann
- Tiffeneau-Demjanov rearrangement - Marc Tiffeneau and Nikolai Demyanov
- Tobin's q — James Tobin
- Tolman effects — Richard Chace Tolman
- Tolman-Oppenheimer-Volkoff limit — Richard Chace Tolman, J. Robert Oppenheimer, and George Michael Volkoff
- Tonks-Girardeau gas — Lewi Tonks and Marvin D. Girardeau
- Townsend effect (a.k.a. Ramsauer effect, Ramsauer-Townsend effect), ionization coefficient — John Sealy Townsend
- Tricomi's equation — Francesco Giacomo Tricomi
- Troxler's effect/fading — Ignaz Paul Vital Troxler
- Tsytovich effect — Vadim N. Tsytovich
- Tsytovich-Razin effect (a.k.a. Tsytovich-Eidman-Razin effect) — see Razin effect, above
- Tychonoff space — Andrey Nikolayevich Tychonoff
- Tyndall effect/scattering — John Tyndall
U
V
- Vackár oscillator (a.k.a. Tesla oscillator) — Jirí Vackár (and Nikola Tesla)
- Van Allen radiation belt — James Van Allen
- Van de Graaff generator — Dr. Robert Jemison Van de Graaff
- Van der Pol equation, oscillator — Balthasar van der Pol
- Van der Waals force — Johannes Diderik van der Waals
- Van Hove singularity — Léon Van Hove
- Van Stokum cylinder — W. J. van Stokum
- Vavilovian mimicry — Nikolai Ivanovich Vavilov
- Veblen effect — Thorstein Veblen
- Veitch diagram — see Karnaugh map, above
- Venturi effect — Giovanni Battista Venturi
- Venn diagram — John Venn
- Voigt effect, notation, profile — Woldemar Voigt
- Voigt material — see Kelvin-Voigt material, above
- Von Klitzing constant — Klaus von Klitzing
- Von Neumann ordinal, von Neumann architecture — John von Neumann
- Von Restorff effect — Hedwig von Restorff
W
- Wadati-Benioff zone (a.k.a. Benioff zone) — Kiyoo Wadati and Hugo Benioff
- Wahlund effect — Sten Gösta William Wahlund
- Wallace's line — Alfred Russel Wallace
- Walras' law — Leon Walras
- Wannier function, orbital — Gregory Wannier
- Wannier-Stark ladder (a.k.a. Stark ladder) — Gregory Wannier and Johannes Stark
- Warburg effect — Otto Warburg
- Waring's problem (a.k.a. Hilbert–Waring theorem) — Edward Waring (and David Hilbert)
- Weberian apparatus — Ernst Heinrich Weber
- Weierstrass-Casorati theorem — Karl Theodor Wilhelm Weierstrass and Felice Casorati
- Weierstrass's elliptic functions, factorization theorem, function, M-test, preparation theorem — Karl Theodor Wilhelm Weierstrass
- Weissenberg effect — Karl Weissenberg
- Weston cell — Edward Weston
- Wheatstone bridge — Sir Charles Wheatstone (improved and popularized it; the inventor was Samuel Hunter Christie)
- Whittaker function, Whittaker integral, Whittaker model — E. T. Whittaker
- Whittaker–Shannon interpolation formula — E. T. Whittaker, J. M. Whittaker, Claude Shannon
- Widrow-Hoff rule — Bernard Widrow and Ted Hoff
- Wiedemann-Franz law — Gustav Wiedemann and Rudolf Franz
- Wien bridge (Wien's bridge), constant, effect, law — Wilhelm Wien
- Wiener filter, process — Norbert Wiener
- Wigmore chart — John Henry Wigmore
- Wigner energy, Wigner effect — Eugene Wigner
- Wigner-Seitz cell — Eugene Wigner and Frederick Seitz
- Willshaw network — David J. Willshaw
- Wilson cycle — John Tuzo Wilson
- Wilson effect (a.k.a. Schülen-Wilson effect) — Alexander Wilson (and ? Schülen)
- Wilson-Bappu effect — Olin Chaddock Wilson and Manali Kallat Vainu Bappu
- Wollaston prism — William Hyde Wollaston
- Woodward-Hoffmann rules — Robert Burns Woodward and Roald Hoffmann
- Woodward effect — James F. Woodward
- Wolf effect — Emil Wolf
- Wulf bands — Oliver R. Wulf
Y
- Yarkovsky effect — Ivan Osipovich Yarkovsky
- YORP effect — Ivan Osipovich Yarkovsky, John A. O'Keefe, V. V. Radzievskii, and Stephen J. Paddack
- Young diagram (a.k.a. Ferrers diagram), Young tableau — Alfred Young
- Young's modulus — Thomas Young
Z
- Zeeman effect — Pieter Zeeman
- Zener effect — Clarence Melvin Zener
- Zeno effect — Zeno of Elea
- Zipf's law — George K. Zipf
See also
- Eponyms
- Fields of science
- List of eponymous medical signs
- List of scientists
- Lists of etymologies
- Scientific constants named after people
- Scientific laws named after people
- List of fluid flows named after people
- List of hydrodynamic instabilities named after people