---
title: "Scientific phenomena named after people"
chunk: 1/10
source: "https://en.wikipedia.org/wiki/Scientific_phenomena_named_after_people"
category: "reference"
tags: "science, encyclopedia"
date_saved: "2026-05-05T04:01:38.936512+00:00"
instance: "kb-cron"
---

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 and August Fauser (1856–1938)
Abney effect – William de Wiveleslie Abney
Abrikosov lattice – Alexei Alexeyevich Abrikosov
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 Wilbur Anderson 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
Aristotle's lantern – Aristotle
Armstrong limit or Armstrong's line – Harry George Armstrong
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 (a.k.a. Auger-Meitner effect), electron – Pierre Victor Auger and Lise Meitner
Autler–Townes effect – Stanley H. Autler and Charles H. Townes
Auwers synthesis – Karl von Auwers
Avogadro's law, Avogadro constant, Avogadro number – Count Lorenzo Romano Amedeo Carlo Avogadro di Quaregna e Cerreto