19th Century Mathematicians

Find out more about the greatest 19th Century Mathematicians, including George Boole, Ada Lovelace, Srinivasa Ramanujan, Lewis Carroll and David Hilbert.

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 Carl F. Gauss

Carl F. Gauss.
6
Famous As: Mathematician, Physicist
Birthdate: April 30, 1777
Sun Sign: Taurus
Birthplace: Brunswick, Germany
Died: February 23, 1855

German mathematician and physicist Carl Friedrich Gauss is remembered for his work in math and science. Known as the Princeps mathematicorum, he laid down tenets such as the Gauss's Law. He had exhibited his talent since an early age and had completed writing Disquisitiones Arithmeticae by 21.

 2 Ada Lovelace

Ada Lovelace.
26
Famous As: Countess of Lovelace
Birthdate: December 10, 1815
Sun Sign: Sagittarius
Birthplace: London
Died: November 27, 1852

Ada Lovelace was a mathematician known for her work on the Analytical Engine, a mechanical general-purpose computer proposed by Charles Babbage. Many believe that Lovelace was the first to recognize the potential of computers. It is also believed that she published the first algorithm after realizing that the algorithm could be carried out by a machine like the Analytical Engine.

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 3 Bertrand Russell

Bertrand Russell.
12
Famous As: Philosopher
Birthdate: May 18, 1872
Sun Sign: Taurus
Birthplace: Trellech, Monmouthshire, Wales
Died: February 2, 1970

Bertrand Russell was a British polymath and Nobel laureate. His work, which is spread across various fields, has had a considerable influence on philosophy, cognitive science, artificial intelligence, mathematics, linguistics, and logic. Russell is also credited with leading the revolt against idealism in Britain and is regarded as one of the founders of analytic philosophy.

 4 James Maxwell

James Maxwell.
4
Famous As: Mathematician & Physicist
Birthdate: June 13, 1831
Sun Sign: Gemini
Birthplace: Edinburgh, Scotland
Died: November 5, 1879

Scottish physicist James Maxwell’s contributions included the formulation of the classical theory of electromagnetic radiation and the production of the first light-fast color photograph. His Maxwell–Boltzmann distribution explored the kinetic theory of gases. He has also written poems and was an Elder of the Church of Scotland.

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 5 George Boole

George Boole.
11
Famous As: Mathematician, Philosopher and Logician
Birthdate: November 2, 1815
Sun Sign: Scorpio
Birthplace: Lincoln
Died: December 8, 1864

George Boole is remembered for pioneering Boolean algebra, a tool used in digital computer circuits. More of a self-taught mathematician, Boole began teaching at 16 and later grew up to be a math professor at Queen’s College, Cork. His work in differential equations and algebraic logic was groundbreaking.

 6 G. H. Hardy

G. H. Hardy.
13
Famous As: Mathematician
Birthdate: February 7, 1877
Sun Sign: Aquarius
Birthplace: Cranleigh, United Kingdom
Died: December 1, 1947

English mathematician G. H. Hardy is best recognised for his work and achievements in number theory and mathematical analysis, and also as mentor of distinguished Indian mathematician Srinivasa Ramanujan. He is noted for his essay on mathematics titled A Mathematician's Apology. He also made his mark in biology formulating a basic principle of population genetics called Hardy–Weinberg principle.  

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 7 David Hilbert

David Hilbert.
13
Famous As: Mathematician
Birthdate: January 23, 1862
Sun Sign: Aquarius
Birthplace: Königsberg or Wehlau, Province of Prussia (today Znamensk, Kaliningrad Oblast, Russia)
Died: February 14, 1943

German mathematician David Hilbert was first drawn to math inspired by his mother, who was a budding math enthusiast. He contributed to a host of concepts, theories, and postulates, such as Hilbert space, Hilbert's program, and Hilbert's problems. He died in oblivion, with a handful of people at his funeral.

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 8 Georg Cantor

Georg Cantor.
11
Famous As: Mathematician
Birthdate: March 3, 1845
Sun Sign: Pisces
Birthplace: Saint Petersburg, Russian Empire
Died: January 6, 1918
Georg Cantor is remembered as the man behind the set theory of mathematics. Not known to many, he was a skilled violinist, too. He was one of the first to explore infinity. His final years were riddled with mental ailments, when he believed Shakespeare’s plays were written by Francis Bacon.

 9 Bernhard Riemann

Bernhard Riemann.
6
Famous As: Mathematician
Birthdate: September 17, 1826
Sun Sign: Virgo
Birthplace: Breselenz
Died: July 20, 1866

Bernhard Riemann was a German mathematician best remembered for his contributions to number theory, analysis, and differential geometry. His paper on the prime-counting function, which was published in 1859, is considered one of the most influential papers in the history of analytic number theory. Riemann is widely regarded as one of the greatest mathematicians ever.

 10 Évariste Galois

Évariste Galois.
11
Famous As: Mathematician
Birthdate: October 25, 1811
Sun Sign: Scorpio
Birthplace: Bourg-la-Reine, French Empire
Died: May 31, 1832

Évariste Galois was a French mathematician best remembered for solving a 350-year-old problem when he was still in his teens. His work formed the basis for group theory and Galois theory, two important branches of abstract algebra. Also a political activist, Évariste Galois died at the age of 20 after suffering wounds in a duel.

 11 Henri Poincare

Henri Poincare.
4
Famous As: Mathematician and Philosopher
Birthdate: April 29, 1854
Sun Sign: Taurus
Birthplace: Nancy, Meurthe-et-Moselle, France
Died: July 17, 1912
Known as The Last Universalist for his expertise in a variety of domains, French mathematician Henri Poincare conducted research that formed the basis of the modern chaos theory. Apart from his work on relativity and the three-body problem, he also laid the foundation of algebraic topology.

 12 Emmy Noether

Emmy Noether.
13
Famous As: Mathematician
Birthdate: March 23, 1882
Sun Sign: Aries
Birthplace: Erlangen, Bavaria, Germany
Died: April 14, 1935

Emmy Noether was a German mathematician best remembered for her contributions to abstract algebra. She is credited with discovering Noether's theorem, which is regarded as a fundamental theorem in mathematical physics. One of the most important mathematicians of her generation and the most important woman in mathematics history, Emmy Noether developed theories of algebras, fields, and rings.

 13 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.

 14 Sir William Rowan Hamilton

Sir William Rowan Hamilton.
3
Famous As: Physicist, Astronomer and Mathematician
Birthdate: August 4, 1805
Sun Sign: Leo
Birthplace: Dublin, Republic of Ireland
Died: September 2, 1865

Son of a Dublin solicitor, Sir William Rowan Hamilton was raised and educated by his priest uncle from age 3. Initially a master of languages such as Latin, Greek, and Persian, Hamilton began deviating to math at 16. He is remembered for his contribution to optics, Hamiltonian mechanics, and algebra.

 15 Lewis Carroll

Lewis Carroll.
8
Famous As: Novelist, Mathematician & Photographer
Birthdate: January 27, 1832
Sun Sign: Aquarius
Birthplace: Daresbury, Cheshire, England
Died: January 14, 1898
Charles Lutwidge Dodgson, better known by his pseudonym, Lewis Carroll, is remembered for his iconic children’s fiction such as Alice's Adventures in Wonderland and Through the Looking-Glass. He explored the genre of literary nonsense with his poems such as Jabberwocky. He was also a photographer, a mathematician, and an inventor.

 16 Gregor Mendel

Gregor Mendel.
4
Famous As: Meteorologist, Mathematician, Biologist
Birthdate: July 22, 1822
Sun Sign: Cancer
Birthplace: Hynčice, Vražné, Czechia
Died: January 6, 1884

A scientist, meteorologist, mathematician, and biologist, Gregor Mendel is considered the founder of the modern science of genetics. He conducted a series of experiments on pea plants between 1856 and 1863, establishing many rules of heredity. Besides his work on pea plants, he also described novel plant species and conducted experiments with hawkweed and honeybees.

 17 Niels Henrik Abel

Niels Henrik Abel.
3
Famous As: Mathematician
Birthdate: August 5, 1802
Sun Sign: Leo
Birthplace: Finnøy
Died: April 6, 1829

Born to a pastor, Norwegian mathematician Niels Henrik Abel first showcased his mathematical skills in his cathedral school and later became a pioneer of various mathematical concepts. He died of tuberculosis, amid poverty, before he could learn that he had been appointed to teach at the University of Berlin.

 18 Carl Gustav Jacob Jacobi

Carl Gustav Jacob Jacobi.
3
Famous As: Mathematician
Birthdate: December 10, 1804
Sun Sign: Sagittarius
Birthplace: Potsdam, Germany
Died: February 18, 1851

Carl Gustav Jacob Jacobi was a German mathematician best remembered for his contributions to differential equations, dynamics, number theory, determinants, and elliptic functions. He is the first Jewish mathematician to work as a professor at a German university. Jacobi has a crater on the Moon named after him in recognition of his contribution to science.

 19 Ludwig Wittgenstein

Ludwig Wittgenstein.
4
Famous As: Philosopher
Birthdate: April 26, 1889
Sun Sign: Taurus
Birthplace: Vienna, Austria
Died: April 29, 1951

Austrian-British philosopher Ludwig Wittgenstein is remembered for his works related to logic, the philosophy of mind, the philosophy of mathematics, and the philosophy of language. He taught at the University of Cambridge for many years. He published only one book during his lifetime. Most of his manuscripts were collected later and published posthumously.

 20 Edwin Powell Hubble

Edwin Powell Hubble.
4
Famous As: Astronomer & Mathematician
Birthdate: November 20, 1889
Sun Sign: Scorpio
Birthplace: Marshfield, Missouri, USA
Died: September 28, 1953

While the Hubble Telescope, named after Edwin Powell Hubble, reminds one of his contribution to astronomy, he failed to get a Nobel Prize, as back in his time, the Nobel Committee didn’t recognize astrophysics as a valid science. He is best remembered for his work on galaxies and extragalactic astronomy.

 21 Max Born

Max Born.
8
Famous As: Physicist
Birthdate: December 11, 1882
Sun Sign: Sagittarius
Birthplace: Wrocław
Died: January 5, 1970
From being home-schooled for being too sickly to attend school, Max Born went on to win the Nobel Prize in Physics for his contribution to quantum mechanics. Being a Jew, with the rise of the Nazi power, he lost his professorship at the University of Göttingen, and moved to Cambridge.

 22 Karl Weierstrass

Karl Weierstrass.
3
Famous As: Mathematician
Birthdate: October 31, 1815
Sun Sign: Scorpio
Birthplace: Ennigerloh
Died: February 19, 1897

Karl Weierstrass was a German mathematician best remembered for his significant contributions to mathematics. Often referred to as the father of modern analysis, Weierstrass proved the Bolzano-Weierstrass theorem and the intermediate value theorem. He also authorized the definition of continuous function. The asteroid 14100 Weierstrass and the lunar crater Weierstrass are named after him.

 23 Hermann Klaus Hugo Weyl

Hermann Klaus Hugo Weyl.
3
Famous As: Mathematician and Theoretical Physicist
Birthdate: November 9, 1885
Sun Sign: Scorpio
Birthplace: Elmshorn, Germany
Died: December 8, 1955

Hermann Klaus Hugo Wey is remembered for his contribution to both physics and math. He was one of the first scientists to think of merging the concepts of electromagnetism and relativity. He moved from the University of Göttingen to Princeton in the wake of the rise of the Nazi reign.

 24 Lord Kelvin

Lord Kelvin.
4
Famous As: Mathematician, Physicist
Birthdate: June 26, 1824
Sun Sign: Cancer
Birthplace: Belfast
Died: December 17, 1907

Lord Kelvin was a British mathematical physicist and engineer. He studied at the Glasgow University and proceeded to teach there as well. Besides his academic career, he also had a career as an electric telegraph engineer and inventor. He received the Royal Society's Copley Medal in 1883. Absolute temperatures are stated in units of kelvin in his honor.

 25 Joseph Plateau

Joseph Plateau
4
Famous As: Mathematician, Physicist, Scientist
Birthdate: October 14, 1801
Sun Sign: Libra
Birthplace: Brussels
Died: September 15, 1883

 26 Andre Marie Ampere

Andre Marie Ampere.
4
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. 

 27 Arthur Eddington

Arthur Eddington.
3
Famous As: Astronomer
Birthdate: December 28, 1882
Sun Sign: Capricorn
Birthplace: Kendal
Died: November 22, 1944

Arthur Eddington was an English physicist, astronomer, and mathematician. He wrote numerous articles that explained Albert Einstein's theory of general relativity to the English-speaking world. He began his career in academics and eventually shifted to astronomy, becoming the chief assistant to the Astronomer Royal at the Royal Greenwich Observatory. He was a recipient of the Henry Draper Medal. 

 28 Alfred North Whitehead

Alfred North Whitehead.
9
Famous As: Mathematician, Philosopher
Birthdate: February 15, 1861
Sun Sign: Aquarius
Birthplace: Ramsgate, Kent, England
Died: December 30, 1947

Alfred North Whitehead was a British mathematician and philosopher, best known for his collaboration with his student Bertrand Russell on Principal of Mathematics, a three-volume work on the foundations of mathematics. Also known for his pioneering works on process philosophy and metaphysics, he is credited with developing a comprehensive metaphysical system that differs from most Western philosophies.

 29 Ronald Ross

Ronald Ross.
3
Famous As: Medical doctor
Birthdate: May 13, 1857
Sun Sign: Taurus
Birthplace: Almora
Died: September 16, 1932

Nobel Prize-winning British doctor Ronald Ross is best remembered for his pathbreaking work on malaria, which proved that the disease was caused by the Anopheles variant of mosquitoes. After his extensive research in India, he went back to London, where he was knighted. He also wrote poetry and songs.

 30 Arthur Cayley

Arthur Cayley.
3
Famous As: Mathematician
Birthdate: August 16, 1821
Sun Sign: Leo
Birthplace: Richmond, Surrey, UK
Died: January 26, 1895

 31 Karl Pearson

Karl Pearson
3
Famous As: Mathematician, Historian of mathematics, Statistician, Historian, Philosopher, Biographer
Birthdate: March 27, 1857
Sun Sign: Aries
Birthplace: London
Died: April 27, 1936

One of the greatest statisticians of all time, Karl Pearson established the first university-level statistics department at UCL and also launched the statistics-oriented journal Biometrika. He was also well-versed in law and believed in eugenics. His The Grammar of Science later inspired Albert Einstein and other scientists.

 32 Oliver Heaviside

Oliver Heaviside
3
Famous As: Mathematician, Physicist, Engineer, Telegraphy
Birthdate: May 18, 1850
Sun Sign: Taurus
Birthplace: Camden Town
Died: February 3, 1925

Oliver Heaviside was an English mathematician and physicist. He invented a new technique for solving differential equations and independently developed vector calculus. He is also credited with rewriting Maxwell's equations in the form commonly used today. He formulated the telegrapher’s equations and invented the Heaviside step function as well. In 1922, he received the Faraday Medal.

 33 John Edensor Littlewood

John Edensor Littlewood
3
Famous As: Mathematician, University teacher
Birthdate: June 9, 1885
Sun Sign: Gemini
Birthplace: Rochester
Died: September 6, 1977

 34 Josiah Willard Gibbs

Josiah Willard Gibbs
3
Famous As: Scientist
Birthdate: February 11, 1839
Sun Sign: Aquarius
Birthplace: New Haven, Connecticut, United States
Died: April 28, 1903

 35 Hermann Minkowski

Hermann Minkowski.
3
Birthdate: June 22, 1864
Sun Sign: Cancer
Birthplace: Aleksota, Kingdom of Poland
Died: January 12, 1909

Hermann Minkowski was a mathematician who served as a professor at the University of Göttingen, the University of Königsberg, and the University of Zurich. He is credited with creating and developing the geometry of numbers. He is also credited with using geometrical methods to resolve problems in the theory of relativity, mathematical physics, and number theory.

 36 Karl Schwarzschild

Karl Schwarzschild
3
Famous As: Physicist, Astronomer, Astrophysicist, University teacher, Mathematician
Birthdate: October 9, 1873
Sun Sign: Libra
Birthplace: Frankfurt
Died: May 11, 1916

Karl Schwarzschild was a German astronomer and physicist. He is remembered for his contributions to the general theory of relativity; Schwarzschild came up with the first exact solution to the Albert Einstein field equations. He also contributed immensely to the theory of black holes.

 37 Percival Lowell

Percival Lowell
3
Famous As: Astronomer, Mathematician
Birthdate: March 13, 1855
Sun Sign: Pisces
Birthplace: Boston
Died: November 12, 1916

Born into the famous Brahmin Lowell family of Massachusetts, Percival Lowell studied at Harvard, where he excelled in math. He managed a cotton mill and also spent time in Asia as a diplomat. He is best remembered for initiating the discovery of Pluto and for studying the canals on Mars.

 38 John Venn

John Venn.
3
Famous As: Mathematician
Birthdate: August 4, 1834
Sun Sign: Leo
Birthplace: Kingston upon Hull
Died: April 4, 1923

 39 Charles Proteus Steinmetz

Charles Proteus Steinmetz
3
Famous As: Mathematician, Electrical engineer, Engineer, Scientist, Inventor
Birthdate: April 9, 1865
Sun Sign: Aries
Birthplace: Wrocław
Died: October 26, 1923

 40 Andrey Markov

Andrey Markov
5
Famous As: Mathematician
Birthdate: June 14, 1856
Sun Sign: Gemini
Birthplace: Ryazan, Russia
Died: July 20, 1922

 41 Charles Hermite

Charles Hermite.
2
Famous As: Mathematician
Birthdate: December 24, 1822
Sun Sign: Capricorn
Birthplace: Dieuze
Died: January 14, 1901

Charles Hermite was a French mathematician best remembered for his research on number theory, invariant theory, algebra, elliptic functions, orthogonal polynomials, and quadratic forms. Also an inspiring and influential teacher, Hermite taught Jules Henri Poincaré, who went on to become fa amous mathematician in his own right.

 42 Peter Gustav Lejeune Dirichlet

Peter Gustav Lejeune Dirichlet.
3
Famous As: Mathematician
Birthdate: February 13, 1805
Sun Sign: Aquarius
Birthplace: Düren
Died: May 5, 1859

German mathematician Peter Gustav Lejeune Dirichlet is remembered for his invaluable contribution to number theory. He pioneered the concept of a function, expressed through the equation y = f (x). Though his parents wanted him to become a merchant, his mastery of math made them change their minds.

 43 Siméon Denis Poisson

Siméon Denis Poisson
4
Famous As: Mathematician
Birthdate: June 21, 1781
Sun Sign: Gemini
Birthplace: Loiret, France
Died: April 25, 1840

 44 Richard Dedekind

Richard Dedekind.
3
Famous As: Mathematician
Birthdate: October 6, 1831
Sun Sign: Libra
Birthplace: Braunschweig, Germany
Died: February 12, 1916

German mathematician Richard Dedekind is best remembered for his ideas on the real number and infinity. Initially interested in subjects such as physics and chemistry, he later deviated to math. He taught at various institutes and was awarded honorary doctorates from universities of Zurich, Oslo, and Braunschweig.

 45 Sir George Stokes, 1st Baronet

Sir George Stokes, 1st Baronet.
3
Famous As: Mathematician
Birthdate: August 13, 1819
Sun Sign: Leo
Birthplace: Skreen
Died: February 1, 1903

Sir George Stokes, 1st Baronet was an Anglo-Irish physicist and mathematician. He studied at Pembroke College, Cambridge, and spent his entire career at the University of Cambridge as the Lucasian Professor of Mathematics. As a physicist, he made key contributions to fluid mechanics and physical optics. He received the Royal Society's Copley Medal in 1893.

 46 Pafnuty Chebyshev

Pafnuty Chebyshev
3
Famous As: mathematician, statistician
Birthdate: May 4, 1821
Sun Sign: Taurus
Birthplace: Borovsk
Died: November 26, 1894

 47 Felix Christian Klein

Felix Christian Klein.
3
Famous As: Mathematician
Birthdate: April 25, 1849
Sun Sign: Taurus
Birthplace: Düsseldorf
Died: June 22, 1925

Felix Christian Klein was a German mathematician and educator remembered for his work on complex analysis, group theory, and non-Euclidean geometry. He is also popular for his work on the relationship between group theory and geometry. He is credited with teaching advanced courses to students like Gregorio Ricci-Curbastro, who went on to become a renowned mathematician in his own right.

 48 Christian Doppler

Christian Doppler.
3
Famous As: Mathematician & Physicist
Birthdate: November 29, 1803
Sun Sign: Sagittarius
Birthplace: Salzburg, Austria
Died: March 17, 1853

Christian Doppler was an Austrian physicist and mathematician best remembered for describing a phenomenon which came to be known as the Doppler effect. The color of binary stars was explained by Doppler with the help of the Doppler effect. Christian Doppler's discovery of the Doppler effect is considered an important contribution to physics.

 49 Alastair Denniston

Alastair Denniston
3
Famous As: Field hockey player, Cryptographer, Mathematician
Birthdate: December 1, 1881
Sun Sign: Sagittarius
Birthplace: Greenock
Died: January 1, 1961

Alastair Denniston was a Scottish code breaker and hockey player. He was deputy head of the Government Code and Cypher School (GC&CS) from 1919 to 1942. As a member of the Scottish Olympic hockey team in 1908, he won a bronze medal. He worked as a code breaker during the war years. He taught French and Latin following his retirement. 

 50 Stefan Banach

Stefan Banach
3
Famous As: Mathematician, University teacher
Birthdate: March 30, 1892
Sun Sign: Aries
Birthplace: Kraków
Died: August 31, 1945