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.

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
• Alhazen's problem — Alhazen
• Allais effect — Maurice Allais
• Allee effect — Warder Clyde Allee
• Amdahl's law, a.k.a. Amdahl's argument — Gene Amdahl
• 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 deoxygenation — 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 shift (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 reaction — 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 — Niels 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
• Bradford's law (of scattering) — Samuel C. Bradford
• 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
• Brooks's law (of software development) — Frederick Phillips Brooks, Jr.
• Brownian motion — Robert Brown
• Bucherer reaction — Hans Theodor Bucherer
• Büchi automata — Julius Richard Büchi
• Buck oscillator (a.k.a. Royer oscillator) — ? (or George H. Royer)
• Buckingham π theorem — Edgar Buckingham (and Aimé Vaschy)
• Burali-Forti paradox — Cesare Burali-Forti
• Bürgi-Dunitz angle — Hans-Beat Bürgi and Jack David Dunitz

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
• Chaplygin gas — Sergey Alexeyevich Chaplygin
• Chapman rearrangement — Arthur William Chapman
• Charles's law — Jacques Charles
• Chebyshev distance, equation, filter, linkage, polynomials — Pafnuty Chebyshev
• Chebyshev's inequality (a.k.a. Bienaymé-Chebyshev inequality) — Pafnuty 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
• Collatz conjecture (a.k.a. Ulam conjecture, Kakutani's problem, Thwaites conjecture, Hasse's algorithm, Syracuse problem), graph — Lothar Collatz (or Stanisław Ulam, Shizuo Kakutani, Sir Bryan Thwaites, Helmut Hasse)
• 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
• Damerau–Levenshtein distance — Frederick J. Damerau and Vladimir Levenshtein
• 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 – see Shubnikov–de Haas effect, below
• 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
• Dice's coefficient — Lee Raymond Dice
• 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
• Dunitz angle — see Bürgi-Dunitz angle, above

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 (numerous entries) — 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
• Gromov–Witten invariant — Mikhail Gromov and Edward Witten
• 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
• Gustafson's law, a.k.a. Gustafson-Barsis's law — John L. Gustafson (and Edward H. Barsis)
• 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
• Hamming distance, weight — Richard Hamming
• 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's algorithm — see Collatz conjecture, above
• 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
• 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
• Herbig Ae/Be star — George Herbig
• Herbig-Haro object — George Herbig and Guillermo Haro
• 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 Hofstadter
• Holetschek effect — Johann Holetschek
• Hopfield network — John J. Hopfield
• Hořava-Lifshitz gravity — Petr Hořava and Evgeny Lifshitz
• Hořava–Witten domain wall — Petr Hořava and Edward Witten
• 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
• Hunt-McIlroy algorithm — James W. Hunt and Douglas McIlroy
• 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

• Jaccard index, similarity coefficient, distance — Paul Jaccard
• Jahn–Teller effect — Hermann Arthur Jahn and Edward Teller
• Jaro–Winkler distance — Matthew A. Jaro and William E. Winkler
• 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
• Kakutani's problem — see Collatz conjecture, above
• 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
• Kleene star (a.k.a. Kleene operator, Kleene closure) — Stephen Kleene
• 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
• Lee distance — C. Y. Lee
• 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
• Levenshtein distance, automaton — Vladimir Levenshtein
• 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's law — Alfred J. Lotka
• 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 — Ludwig 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
• Mooer's law — Calvin Mooer
• Moore machine — Edward Forrest Moore
• Moore's law — Gordon E. Moore
• Morgan unit — Thomas Hunt Morgan
• Moreton wave — Gail E. Moreton
• 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
• Needleman–Wunsch algorithm — Saul B. Needleman and Christian D. Wunsch
• 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
• Pareto-Zipf law (a.k.a. Zipf–Mandelbrot law) — Vilfredo Pareto and George K. Zipf (or Benoît Mandelbrot)
• 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)
• Rossby waves — Carl-Gustaf Arvid Rossby
• Rossi-Forel scale — Michele Stefano Conte de Rossi and François-Alphonse Forel
• Rössler equation — Otto Rössler
• Rossmann fold — Michael Rossmann
• Royer oscillator (a.k.a. Buck oscillator) — George H. Royer
• 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
• Seiberg–Witten gauge theory — Nathan Seiberg and Edward Witten
• Seiberg–Witten invariant — Nathan Seiberg and Edward Witten
• 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 — Wander Johannes de Haas and Lev Vasiljevich Shubnikov
• 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
• Smith–Waterman algorithm — Temple F. Smith and Michael S. Waterman
• Snell's law — Willebrord van Roijen Snell
• Soloviev tsunami intensity scale — Sergey L. Soloviev
• Sommerfeld–Kossel displacement law — Arnold Sommerfeld and Walther Kossel
• Sørensen similarity index, similarity coefficient — Thorvald Sørensen
• 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
• Syracuse problem — see Collatz conjecture, above

T

• Tait-Bryan angles (a.k.a. Cardan angles, nautical angles) — Peter Guthrie Tait and George Bryan (?)
• Talbot effect — William Henry Fox Talbot
• Taylor cone — Geoffrey Ingram Taylor
• 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
• Thwaites conjecture — see Collatz conjecture, above
• 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

• Ulam conjecture — see Collatz conjecture, above
• Unruh effect — William G. Unruh

V

• Vackář oscillator (a.k.a. Tesla oscillator) — Jirí Vackář (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
• Wess–Zumino–Witten model — Julius Wess, Bruno Zumino and Edward Witten
• Wess–Zumino model — Julius Wess, Bruno Zumino
• 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
• Wiegand effect - John R. Wiegand
• 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
• Witten index — Edward Witten
• 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
• Zipf–Mandelbrot law (a.k.a. Pareto-Zipf law) — George K. Zipf and Benoît Mandelbrot (or Vilfredo Pareto)

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 eponymous diseases
• List of fluid flows named after people
• List of hydrodynamic instabilities named after people
• List of waves named after people
• List of eponymous laws