IMG_8177.jpg

 

 

 

Joseph-Louis LAGRANGE 

(1736-1813)

Professor of mathematics and mechanics

1794-1799

Lagrangian mechanics

Celestial mechanics

 

Jean-Baptiste BIOT

 (1774-1862)

Promotion X1794

Biot-Savart law

Light polarization

Optical activity, polarimetry

 

Louis POINSOT

(1777-1859)

Promotion X1974

Assistant professor of analysis

and mechanics, 1809-1812

Admission examiner

Inventor of geometrical mechanics

 

Etienne-Louis MALUS

 (1775-1812)

Promotion X1794

 Malus's law

 Light polarization by reflection

 

Jean-Baptiste Joseph FOURIER

 (1768-1830)

Professor of mechanics

1795-1797

Fourier seriesFourier transform

Heat equation

 

Pierre-Simon LAPLACE

(1749-1827)

Mathematics examination

1796-1798

Laplace's equation

Laplace transform

 

 Louis-Joseph GAY LUSSAC

 (1778-1850)

Promotion X1797

Professor of chemistry

1810-1840

 Gay Lussac's law

Properties of gases

Chemistry

 

Siméon Denis POISSON 

(1781-1840)

Promotion X1798

Professor of mathematics 1806-1815

Mathematics examination 1815-1840

Foundations of Electricity and Magnetism

Poisson's equation 

Theory of elasticity

Poisson's ratio

 

Adrien-Marie LEGENDRE 

(1752-1833)

Mathematics examination 1799-1815

           

Legendre polynomials

Legendre transformation

 

Pierre Louis DULONG 

(1785-1838)

Promotion X1801

Professor of chemistry 1820-1829

Specific heat capacity

Dulong-Petit law

Expansion and refractive index of gases

 

Claude Louis Marie Henri NAVIER 

(1785-1836)

Promotion X1802

Professor of mathematics and mechanics

1831-1836

Fluid mechanics

Navier-Stokes equations

 

François ARAGO 

(1786-1853)

Promotion X1803

Professor of mathematics

1810-1830

Wave theory of light

Arago spot

First observation of

eddy currents

Fresnel-Arago experiment

 

Augustin Jean FRESNEL

 (1788-1827)

Promotion X1804

Foundations of wave optics

Fresnel equations

Huygens-Fresnel principle

Fresnel lens

Fresnel-Arago experiment

 

Augustin-Louis CAUCHY 

(1789-1857)

Promotion X1805

Professor of mechanics 1816-1830

Founder of complex analysis

Cauchy's integral theorem

Mechanics

Cauchy stress tensor

 

Antoine-César BECQUEREL

(1788-1878)

Promotion X1806

 

Photovoltaic effect

Diamagnetism

 

 

Jean Victor PONCELET

(1788-1867)

Promotion X1807

Commanding general of Ecole Polytechnique, 1848-1850

Poncelet-Steiner theorem

Poncelet's porism

 

 

Alexis Thérèse PETIT 

(1791-1820)

Promotion X1807

Professor of physics 1814-1820

Specific heat capacity

Dulong-Petit law

 

Gaspard-Gustave CORIOLIS 

(1792-1843)

Promotion X1808

Tutor 1816

Director of studies 1838-1843

Movement on rotating frames 

Coriolis effect

 

André-Marie AMPERE 

(1775-1836)

Professor of mathematics and mechanics

1809-1828

Founder of Electrodynamics

Ampere's law

Ampere's force law

 

Nicolas Léonard Sadi CARNOT 

(1796-1832)

Promotion X1812

 Founder of thermodynamics

Carnot heat engine

Carnot cycle

Second law of thermodynamics

 

Jacques BABINET 

(1794-1872) 

Promotion X1812

Diffraction optics

Babinet's principle

Babinet-Soleil compensator

 

Gabriel LAME 

(1795-1870)

Promotion X1814

Professor of physics 1832-1843

Mathematical theory of elasticity

Lamé parameters

Partial differential equations

Lamé function

 

 

Jean Léonard Marie POISEUILLE

 (1797-1869)

Promotion X1815

Fluid mechanics

Poiseuille law

 

Benoît Paul Emile CLAPEYRON 

(1799-1864)

Promotion X1815

Founder of thermodynamics

Clausius-Clapeyron relation

 

Henry DARCY

 (1803-1858)

Promotion X1821

Hidraulics

Darcy's law

Darcy-Weisbach equation

 

Joseph LIOUVILLE 

(1809-1882)

Promotion X1825

Professor of mathematics and mechanics

1839-1850

Hamiltonian mechanics

Liouville's theorem

Differential equations

Sturm-Liouville theory

Complex analysis

Liouville's theorem

 

Auguste BRAVAIS 

(1811-1863)

Promotion X1829

Professor of Physics 1845-1856

Founder of crystallography

Bravais lattices

Bravais law

 

 

Pierre Alphonse LAURENT

(1813-1854)

Promotion X1830

 

Laurent series

 

Henri Victor REGNAULT

 (1810-1878)

Promotion X1830

Inventor of PVC

 

Urbain LE VERRIER

 (1811-1877)

Promotion X1831

Professor of geodesics, astronomy and machines                               

1837-1851

Celestial mechanics

Mathematical prediction of the existence of Neptune

Discovery of Neptune

 

Jean-Augustin BARRAL

 (1811-1877)

Promotion X1838

Discovery of Nicotine

 

Jacques Charles François STURM

 (1803-1855)

Professor of mathematics and mechanics

1840-1855

Sturm's theorem

Sturm-Liouville theory

 

Charles HERMITE

 (1822-1901)

Promotion X1842

Professor of mathematics 1869-1876

Number theory, algebra, 

orthogonal polynomials

Hermite polynomials

Hermitian operators

 

 

François Jacques Dominique MASSIEU

 (1832-1896)

Promotion X1851

 

Thermodynamic potentials

Characteristic functions

 

Jules JAMIN

 (1818-1886)

Professor of physics 1852-1880

 

Jamin interferometer

 

 

Edmund Nicolas LAGUERRE

 (1834-1886)

Promotion X1853

Tutor

Geometry and complex analysis 

Laguerre polynomials

Laguerre's method

 

Marie Ennemond Camille JORDAN

 (1838-1922)

Promotion X1855

Professor of mathematical analysis 1876

Group Theory

Jordan curve theorem

Jordan matrix

Jordan-Holder theorem

 

Marie Alfred CORNU 

(1841-1902)

Promotion X1860 

Professor of physics 1867-1902

Optics and spectroscopy

Cornu spirals

Cornu depolarizer

 

Emile VERDET

(1824-1866)

 

Professor of physics 1862-1865

Faraday effect

Verdet's constant

 

Henri Louis LE CHATELIER

(1850-1936)

Promotion X1869

Chemistry

Le Châtelier's principle

 

Pierre-Henri HUGONIOT 

(1851-1887)

Promotion X1872

Assistant professor 1884

Fluid mechanics

Shock waves

Rankine-Hugoniot conditions

 

Antoine Henri BECQUEREL 

(1852-1908)

Promotion X1872

Professor of physics 1885-1908

Discovery of radioactivity 

Physics nobel prize 1903

 

Henri POINCARE 

(1854-1912)

Promotion X1873

Professor of mathematical analysis 1883-1897

Theory of special relativity

E= mc^2 

Poincaré conjeture

Poincaré group

 

Paul VIEILLE

(1854-1934)

Promotion X1873

Professor and examiner, 1882-1913

Smokeless powder

Detonation

 

Léon Charles THEVENIN 

(1857-1926)

Promotion X1876

Electrical circuits 

Thévenin's theorem

 

Alfred PEROT 

(1863-1925)

Promotion X1882

Professor of physics 1908-1925

Optics

Fabry-Pérot interferometer

History

 

Georges FRIEDEL

 (1865-1933)

Promotion X1885

Crystallography

Friedel's law

Friedel's salt

Liquid crystals

 

Maurice Paul Auguste Charles FABRY 

(1867-1945)

Promotion X1886

Professor of physics (1927-1935)

Optics

Fabry-Pérot interferometer

History

 

Alfred-Marie LIENARD 

(1869-1958)

Promotion X1887

Electrodynamics

Liénard-Wiechert potential

Liénard-Chipart criterion

 

Emile JOUGUET

(1871-1943)

Promotion X1889

Professor of Mechanics, 1927-1941

Thermodynamics and hydrodynamics

Shock waves

Chapman- Jouguet condition

 

 

 

André-Louis CHOLESKY

 (1875-1918)

Promotion X1895

Cholesky decomposition

 

Paul Pierre LEVY 

(1886-1971)

Promotion X1904

Professor of mathematical analysis 1920-1959

Probability theory

Martingale

Lévy process

 

 

Louis LEPRINCE-RINGUET 

(1901-2000)

Promotion X1920

Professor of physics 1936-1969

Nuclear physics

Leprince-Ringuet laboratory

 

Albert MESSIAH

 (1921-2013)

Promotion X1940

Quantum mechanics

 

Jacques FRIEDEL

 (1921-2014)

Promotion X1942

Materials science

 

André LAGARRIGUE

 (1924-1975)

Promotion X1944

Gargamelle experiment (CERN)

Discovery of neutral currents

 Weak interaction

 

Benoît MANDELBROT

(1924-2010)

Promotion X1944

Fractals

Mandelbrot set

 

 

Maurice BERNARD

(1928)

Promotion X1948

Assistant professor 1956-1973

Professor of physics 1973-1980

Directeur de l'enseignement et de la recherche 1983-1990

Bernard-Duraffourg conditions

Semi-conductor lasers

 

 

Laurent SCHWARTZ 

(1915-2002)

Professor of mathematical analysis 1959-1980

Theory of distributions 

Fields medal

 

Ionel SOLOMON

(1929-2015)

Promotion X1949

Professor of physics 1965-1978

Nuclear magnetic resonance

Solomon equations

 

Georges DURAFFOURG

(1933-2016)

Promotion X1952

Laser conditions in semiconductors (Bernard-Duraffourg conditions)

 

 

Marcel FROISSART

(1934-2015)

Promotion X1953

Froissart bound

 

Serge HAROCHE

Professor of physics

1973-1984

Physics nobel prize 2012

Quantum decoherence

 

Gerard MOUROU

Director of LOA 2005-2009

Professor and member of Haut collège de Polytechnique

Physics Nobel prize 2018

 

Alain ASPECT

Professor of physics

1984-

Violation of Bell's inequality

Quantum optics

 

Emmanuel ROSENCHER

(1952-2013)

Promotion X1972

Professor of physics (1992-2013)

Opto-electronics

 

 

See a complete list of famous polytechniciens here.