Famous 18th Century French Mathematicians

Find out more about the greatest 18th Century French Mathematicians, including Pierre-Simon Laplace, Joseph Fourier, Joseph-Louis Lagrange, Marquis de Condorcet and Émilie du Châtelet.

This ranking is based on an algorithm that combines various factors, including the votes of our users and search trends on the internet.

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 1 Pierre-Simon Laplace

Pierre-Simon Laplace.
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Famous As: Scientist
Birthdate: March 23, 1749
Sun Sign: Aries
Birthplace: Beaumont-en-Auge
Died: March 5, 1827

Though French scholar Pierre-Simon Laplace is primarily known for his work on the solar system, his research extended to areas such as mathematics and physics, apart from astronomy. Widely known as the Newton of France, he escaped being executed during the French Revolution, owing to his lack of political views.

 2 Joseph Fourier

Joseph Fourier.
6
Famous As: Mathematician & Physicist
Birthdate: March 21, 1768
Sun Sign: Aries
Birthplace: Auxerre, Burgundy, Kingdom of France (now in Yonne, France)
Died: May 16, 1830

Joseph Fourier was a French physicist and mathematician best remembered for commencing the investigation of the Fourier series, which is used widely to solve problems of heat transfer and vibrations. Fourier's law of conduction and Fourier transform are named in his honor. Fourier is also said to have discovered the greenhouse effect.

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 3 Joseph Louis Lagrange

Joseph Louis Lagrange.
4
Famous As: Mathematician
Birthdate: January 25, 1736
Sun Sign: Aquarius
Birthplace: Turin, Italy
Died: April 10, 1813

Joseph Louis Lagrange was an Italian mathematician and astronomer who made significant contributions to the fields of number theory, analysis, and both classical and celestial mechanics. He served as the director of mathematics at the Prussian Academy of Sciences in Berlin for over 20 years. He later moved to France and became a member of the French Academy of Sciences. 

 4 Adrien-Marie Legendre

Adrien-Marie Legendre.
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Famous As: Mathematician
Birthdate: September 18, 1752
Sun Sign: Virgo
Birthplace: Paris, France
Died: January 10, 1833

Born into an affluent family, French mathematician Adrien-Marie Legendre probably never had to earn a living till the beginning of the French Revolution. Excelling in math and physics, he later contributed to areas such as elliptic functions, developed the least squares method, and lent his name to Legendre polynomials.

 5 Augustin-Louis Cauchy

Augustin-Louis Cauchy.
3
Famous As: Mathematician
Birthdate: August 21, 1789
Sun Sign: Leo
Birthplace: Paris
Died: May 23, 1857

French mathematician Augustin-Louis Cauchy was initially a military engineer. In his early days, he and his family escaped the Reign of Terror and settled in Arcueil. He was one of the pioneers of mathematical analysis and made significant contributions to subjects such as error theory, calculus, and complex functions.

 6 Andre Marie Ampere

Andre Marie Ampere.
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Famous As: Physicist
Birthdate: January 20, 1775
Sun Sign: Aquarius
Birthplace: Parish of St. Nizier, Lyon, France
Died: June 10, 1836

Andre Marie Ampere was a French physicist and mathematician. He is best known for being one of the founders of the science of classical electromagnetism. He was a professor at the École Polytechnique and the Collège de France and a member of the French Academy of Sciences. The base SI unit of electric current, the ampere, is named after him. 

 7 Sophie Germain

Sophie Germain.
5
Famous As: Mathematician
Birthdate: April 1, 1776
Sun Sign: Aries
Birthplace: Paris
Died: June 27, 1831

French mathematician Sophie Germain had used the pseudonym M. Le Blanc to get hold of notes from the École Polytechnique, as being a woman, she was not allowed to attend the institute. She later contributed to the number theory and also pioneered the elasticity theory. She died of breast cancer.

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 8 Marquis de Condorcet

Marquis de Condorcet.
3
Famous As: Mathematician, Philosopher
Birthdate: September 17, 1743
Sun Sign: Virgo
Birthplace: Ribemont, France
Died: March 28, 1794

French mathematician and philosopher Marquis de Condorcet was a champion for liberal economy and women’s rights. He was a significant contributor of the Encyclopédie and was part of the Academy of Sciences. He is also remembered for his political activities in the wake of the French Revolution.

 9 Émilie du Châtelet

Émilie du Châtelet
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Famous As: Philosopher
Birthdate: December 17, 1706
Sun Sign: Sagittarius
Birthplace: Paris, France
Died: September 10, 1749

 10 Georges-Louis Leclerc, Comte de Buffon

Georges-Louis Leclerc, Comte de Buffon.
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Famous As: Naturalist
Birthdate: September 7, 1707
Sun Sign: Virgo
Birthplace: Montbard, France
Died: April 16, 1788

Georges-Louis Leclerc, Comte de Buffon was a French mathematician, encyclopédiste, cosmologist, and naturalist. He is best known for authoring and publishing Histoire Naturelle, an encyclopaedic collection of 36 volumes, which he worked on for 50 years. His work had a strong influence on two subsequent generations of naturalists, including popular French scientists like Georges Cuvier and Jean-Baptiste Lamarck.

 11 Johann Heinrich Lambert

Johann Heinrich Lambert.
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Famous As: Mathematician, Physicist and Astronomer
Birthdate: August 26, 1728
Sun Sign: Virgo
Birthplace: Republic of Mulhouse, Independent city-state
Died: September 25, 1777

Johann Heinrich Lambert was a Swiss polymath whose contributions to the fields of physics, mathematics, map projections, astronomy, and philosophy are considered important by many scholars. He is credited with introducing hyperbolic functions into trigonometry. He is also credited with inventing a hygrometer, which is used to measure the quantity of water vapor in soil and air.

 12 Jean Le Rond d’Alembert

Jean Le Rond d’Alembert.
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Famous As: Mathematician, Philosopher
Birthdate: November 16, 1717
Sun Sign: Scorpio
Birthplace: Paris, France
Died: October 29, 1783

Jean le Rond d'Alembert was a French mathematician, physicist, philosopher, and music theorist. He is credited with coming up with d'Alembert's formula, a solution to the one-dimensional wave equation, which is named after him. His life and work inspired Andrew Crumey's 1996 novel, D'Alembert's Principle.

 13 Giovanni Domenico Cassini

Giovanni Domenico Cassini.
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Famous As: Astronomer and Mathematician
Birthdate: June 8, 1625
Sun Sign: Gemini
Birthplace: Perinaldo, Italy
Died: September 14, 1712
Italian-French mathematician and astronomer Giovanni Domenico Cassini is best remembered for his discovery of four moons of Saturn, the computation of Jupiter’s rotational period, and the observation of the Cassini Division, or the gap between Saturn’s rings. King Louis XIV made him a member of the Académie des Sciences

 14 Abraham de Moivre

Abraham de Moivre
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Famous As: Mathematician, Statistician
Birthdate: May 26, 1667
Sun Sign: Gemini
Birthplace: Vitry-le-François
Died: November 27, 1754

 15 Siméon Denis Poisson

Siméon Denis Poisson
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Famous As: Mathematician
Birthdate: June 21, 1781
Sun Sign: Gemini
Birthplace: Loiret, France
Died: April 25, 1840

 16 Jacques Charles

Jacques Charles
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Famous As: Physicist, Chemist, Inventor, Balloonist, Mathematician
Birthdate: November 12, 1746
Sun Sign: Scorpio
Birthplace: Beaugency
Died: April 7, 1823

Best known for developing the Charles’s law, which explains the expansion of gases when heated, Jacques Charles was a prominent French physicist. He was the first to ascend in a hydrogen-filled gas balloon, thus pioneering hot-air balloon flight. The Académie des Sciences member later became a professor of physics.

 17 François Arago

François Arago
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Famous As: Astronomer, Mathematician, Physicist, Politician, Scientist, University teacher
Birthdate: February 26, 1786
Sun Sign: Pisces
Birthplace: Estagel
Died: October 2, 1853

French physicist and mathematician François Arago discovered rotatory magnetism, named Arago's rotations. He is also remembered for his research on the wave theory of light and for the reforms he introduced as the French minister of war and the navy. The Eiffel Tower has his name inscribed on it.

 18 Lazare Carnot

Lazare Carnot
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Famous As: Mathematician, Politician, Engineer, Officer, Physicist
Birthdate: May 13, 1753
Sun Sign: Taurus
Birthplace: Nolay
Died: August 2, 1823

Lazare Carnot was a French physicist, mathematician, and politician. His role in the Napoleonic Wars and French Revolutionary Wars earned him the sobriquet Organizer of Victory. Carnot is credited with developing innovative defensive designs for forts, such as the Carnot wall which served as a defensive mechanism against infantry and artillery attack.

 19 Gaspard Monge

Gaspard Monge
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Famous As: Mathematician
Birthdate: May 9, 1746
Sun Sign: Taurus
Birthplace: Beaune, France
Died: July 28, 1818

 20 Jean Sylvain Bailly

Jean Sylvain Bailly
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Famous As: Astronomer
Birthdate: September 15, 1736
Sun Sign: Virgo
Birthplace: Paris, France
Died: November 12, 1793

A major figure of the French Revolution, Jean Sylvain Bailly is remembered for leading the Tennis Court Oath. He also made a name for himself as an astronomer and studied the Halley’s Comet and the satellites of Jupiter extensively. As a mayor of Paris, he later defended Marie-Antoinette and was guillotined.

 21 Pierre Louis Maupertuis

Pierre Louis Maupertuis
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Famous As: Mathematician
Birthdate: September 28, 1698
Sun Sign: Libra
Birthplace: Saint-Malo, France
Died: July 27, 1759

Pierre Louis Maupertuis was a French mathematician and man of letters. He is credited with having invented the principle of least action; his version is known as Maupertuis's principle. He was also a philosopher and his work in natural history touched upon a range of topics. He was the first President of the Prussian Academy of Science. 

 22 Jean-Baptiste Biot

Jean-Baptiste Biot
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Famous As: Mathematician, Physicist, Astronomer, Civil engineer, Engineer, Professor
Birthdate: April 21, 1774
Sun Sign: Taurus
Birthplace: Paris
Died: February 3, 1862

Jean-Baptiste Biot was a French physicist, mathematician, and astronomer. He was a co-discoverer of what became known as the Biot-Savart law of magnetostatics. He is also credited with establishing the reality of meteorites. He made major contributions to the fields of optics and magnetism as well. Cape Biot in eastern Greenland is named in his honor. 

 23 Charles Marie de La Condamine

Charles Marie de La Condamine
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Famous As: Explorer
Birthdate: January 28, 1701
Sun Sign: Aquarius
Birthplace: Paris, France
Died: February 4, 1774

 24 Alexis Clairaut

Alexis Clairaut
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Famous As: Mathematician
Birthdate: May 13, 1713
Sun Sign: Taurus
Birthplace: Paris, France
Died: May 17, 1765

Born to a math teacher, French mathematician and physicist Alexis Clairaut had mastered calculus at 10. He is best remembered for devising the Clairaut’s equation and for validating the scientific claims of Sir Isaac Newton. He was part of an expedition to Lapland to ascertain a degree of the meridian arc.

 25 Gaspard-Gustave de Coriolis

Gaspard-Gustave de Coriolis
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Famous As: Mathematician
Birthdate: May 21, 1792
Sun Sign: Gemini
Birthplace: Paris, France
Died: September 19, 1843

French mathematician and physicist Gaspard-Gustave de Coriolis proposed what is now known as Coriolis force. While teaching at the École Polytechnique, Paris, he extended the scope of kinetic energy. His On the Calculation of Mechanical Action remains his most significant book. His name remains inscribed on the Eiffel Tower.

 26 Pierre Bouguer

Pierre Bouguer
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Birthdate: 0000 AD

 27 Michel Rolle

Michel Rolle
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Birthdate: 0000 AD

 28 Jean-Robert Argand

Jean-Robert Argand
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Birthdate: 0000 AD

 29 Alexandre-Théophile Vandermonde

Alexandre-Théophile Vandermonde
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Famous As: Mathematician
Birthdate: February 28, 1735
Sun Sign: Pisces
Birthplace: Paris, France
Died: January 1, 1796

Alexandre-Théophile Vandermonde initially made a name for himself as a violinist. He drifted to mathematics much later, at age 35, and  became famous for his determinant theory in mathematics and for solving a complex math problem called The Knight's Tour. His memoirs are invaluable to understanding math.

 30 Joseph Nicollet

Joseph Nicollet
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Famous As: Geographer
Birthdate: July 24, 1786
Sun Sign: Leo
Birthplace: Cluse, France
Died: September 11, 1843

French explorer and mathematician Joseph Nicollet had begun his career as a math teacher at age 19. Faced with financial issues, he later moved to the U.S., where he was financially helped by a wealthy family. His exploration of the Mississippi and Missouri rivers helped him chart maps of the region.

 31 Étienne-Louis Malus

Étienne-Louis Malus
1
Famous As: Physicist
Birthdate: July 23, 1775
Sun Sign: Leo
Birthplace: Paris, France
Died: February 24, 1812

 32 Jean-Charles de Borda

Jean-Charles de Borda
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Birthdate: 0000 AD

 33 Joseph Sauveur

Joseph Sauveur
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Birthdate: 0000 AD

 34 Jean-Baptiste-Joseph Delambre

Jean-Baptiste-Joseph Delambre
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Famous As: Mathematician
Birthdate: September 19, 1749
Sun Sign: Virgo
Birthplace: Amiens, France
Died: August 19, 1822

It is believed Jean-Baptiste-Joseph Delambre had acquired his habit of reading from his fear of losing his eyesight. He later became a professor of astronomy and served Paris Observatory as its director. He also penned significant works such as Histoire de l'astronomie. His name remains engraved on the Eiffel Tower.

 35 Bernard Forest de Belidor

Bernard Forest de Belidor
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Famous As: Engineer
Birthdate: 1698 AD
Birthplace: Catalonia, Spain
Died: September 8, 1761

 36 Gaspard de Prony

Gaspard de Prony
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Birthdate: 0000 AD

 37 Charles Julien Brianchon

Charles Julien Brianchon
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Famous As: Mathematician
Birthdate: December 19, 1783
Sun Sign: Sagittarius
Birthplace: Sèvres, France
Died: April 29, 1864

Known for his invaluable contribution to geometry, Charles Julien Brianchon laid down the Brianchon’s theorem. The French mathematician was a student of Gaspard Monge and had also been part of Napoleon’s artillery. He later moved away from math and began teaching at the Artillery School in Vincennes.

 38 Jean-Baptiste-Gaspard Bochart de Saron

Jean-Baptiste-Gaspard Bochart de Saron
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Famous As: Astronomer
Birthdate: January 16, 1730
Sun Sign: Capricorn
Birthplace: Paris, France
Died: April 20, 1794

Jean-Baptiste-Gaspard Bochart de Saron was a French natural scientist and lawyer. He is best remembered for his contributions to astronomy. He studied the orbits of comets and worked alongside fellow astronomers like J.D. Cassini and Charles Messier. He also helped Charles Messier observe the orbit of the then-unidentified planet Uranus.

 39 Émiland Gauthey

Émiland Gauthey
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Famous As: Mathematician
Birthdate: December 3, 1732
Sun Sign: Sagittarius
Birthplace: Chalon-sur-Saône, France
Died: July 14, 1806

French architect Émiland Gauthey was the man behind the creation of many civic buildings, bridges, and theaters. He began his career as a deputy engineer at Chalon-sur-Saône and later took over as the Chief Engineer of the États de Bourgogne. He received the Légion d'honneur for his achievements.

 40 Claude-Louis Mathieu

Claude-Louis Mathieu
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Famous As: Mathematician
Birthdate: November 25, 1783
Sun Sign: Sagittarius
Birthplace: Mâcon, France
Died: March 5, 1875

Claude-Louis Mathieu was a French astronomer and mathematician. He worked at the Paris Observatory and also taught astronomy at the Collège de France. He was honored with the prestigious Lalande Prize in 1808 and 1815.