18th Century Scientists

Find out more about the greatest 18th Century Scientists, including Benjamin Franklin, Antoine-Augustin Parmentier, Michael Faraday, Charles Babbage and John Dalton

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
11
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 Carl Linnaeus

Carl Linnaeus
19
Famous As: Botanist
Birthdate: May 23, 1707
Sun Sign: Gemini
Birthplace: Linnés Råshults Stiftelse, Älmhult Municipality, Sweden
Died: January 10, 1778

Swedish botanist and lecturer Carl Linnaeus, who established the concept of binomial nomenclature, or the system of naming organisms, is also known as the father of modern taxonomy. His system of classification is known as Linnaean taxonomy. He was the first to include humans and apes under the header Anthropomorpha.

 3 Charles Babbage

Charles Babbage
18
Famous As: Father of the computer
Birthdate: December 26, 1791
Sun Sign: Capricorn
Birthplace: London, England
Died: October 18, 1871
Charles Babbage, or the “father of the computer,” invented the prototype of the world’s first mechanical calculator, the Difference Engine. With the help of mathematician Ada Lovelace, he also created the Analytical Engine, the first general-purpose computer and a precursor of the modern computer, with its looping and sequential mechanism.
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 4 Leonhard Euler

Leonhard Euler
12
Famous As: Mathematician, Physicist
Birthdate: April 15, 1707
Sun Sign: Aries
Birthplace: Basel
Died: September 18, 1783

Leonhard Euler was a Swiss physicist, mathematician, logician, geographer, astronomer, and engineer. He is credited with making influential and important mathematical discoveries, such as graph theory and infinitesimal calculus. Widely regarded as one of the greatest and most prolific mathematicians of all time, Leonhard Euler also made pioneering contributions to analytic number theory and topology.

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 5 John Dalton

John Dalton
10
Famous As: Chemist, Physicist, Meteorologist
Birthdate: September 6, 1766
Sun Sign: Virgo
Birthplace: Eaglesfield, Cumberland, England
Died: July 27, 1844

John Dalton was an English chemist, physicist, and meteorologist most famous for introducing the atomic theory into chemistry. He also contributed a lot to the study of color blindness, sometimes referred to as Daltonism in his honor. He was the first scientist to refer to the smallest particle of matter as an “atom.” He was a Quaker and lived modestly. 

 6 Antoine Lavoisier

Antoine Lavoisier
8
Famous As: Chemist
Birthdate: August 26, 1743
Sun Sign: Virgo
Birthplace: Paris, France
Died: May 8, 1794

Antoine Lavoisier was a French chemist and nobleman. He played a crucial role during the chemical revolution of the 18th-century. Widely regarded as the father of modern chemistry, Lavoisier had a major influence on the history of biology as well as the history of chemistry. He also helped build the metric system. 

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 7 Count Alessandro Volta

Count Alessandro Volta
7
Famous As: Physicist, Chemist
Birthdate: February 18, 1745
Sun Sign: Aquarius
Birthplace: Como, Duchy of Milan, Italy
Died: March 5, 1827
While Alessandro Volta was a count by birth and was supposed to become a lawyer or a priest, he became a scientist instead. His invention of the battery led to the SI unit of electric potential being named volt. He was also the first to isolate methane gas.
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 8 Pierre-Simon Laplace

Pierre-Simon Laplace
18
Famous As: Mathematician
Birthdate: March 23, 1749
Sun Sign: Aries
Birthplace: Beaumont-en-Auge, France
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.

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 9 William Herschel

William Herschel
5
Famous As: Astronomer
Birthdate: November 15, 1738
Sun Sign: Scorpio
Birthplace: Hanover, Germany
Died: August 23, 1822

William Herschel was a German-born British astronomer and composer. He pioneered the use of astronomical spectrophotometry and discovered infrared radiation. Impressed by his work, King George III appointed him the Court Astronomer. Herschel often collaborated with his sister, Caroline Lucretia Herschel, a fellow astronomer. In 1816, he was made a Knight of the Royal Guelphic Order. 

 10 Joseph Priestley

Joseph Priestley
6
Famous As: Discoverer of Oxygen
Birthdate: March 24, 1733
Sun Sign: Aries
Birthplace: Birstall, England
Died: February 6, 1804

Best remembered for his contribution to the chemistry of gases, Joseph Priestley was an English scientist, clergyman, political theorist and educator, who has been credited with discovering oxygen independently, publishing his findings before Carl Wilhelm could. A prolific writer, he has authored 150 works on various subjects including electricity. He also contributed immensely to the advancement of political and religious thoughts.

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 11 Amedeo Avogadro

Amedeo Avogadro
9
Famous As: Chemist and Physicist
Birthdate: August 9, 1776
Sun Sign: Leo
Birthplace: Turin, Italy
Died: July 9, 1856

Son of a reputed senator and lawyer in Italy, Amedeo Avogadro was himself a qualified lawyer. However, he later delved into research as a mathematical physicist and is best remembered for laying down the Avogadro’s law, contributing to the molecular theory of gases. The Avogadro constant is named after him.

 12 Joseph Fourier

Joseph Fourier
8
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.

 13 Henry Cavendish

Henry Cavendish
4
Famous As: Natural philosopher
Birthdate: October 10, 1731
Sun Sign: Libra
Birthplace: Nice, France
Died: February 24, 1810

English natural philosopher, scientist, and a prominent experimental and theoretical physicist and chemist Henry Cavendish is best-remembered for his discovery of hydrogen and his Cavendish experiment. He first recognized that hydrogen, which he termed inflammable air, is a discrete substance which produces water on combustion. He conducted the Cavendish experiment to measure and produce a value for Earth’s density.

 14 Caroline Herschel

Caroline Herschel
6
Famous As: Astronomer
Birthdate: March 16, 1750
Sun Sign: Pisces
Birthplace: Hanover, Germany
Died: January 9, 1848

Caroline Herschel was a German astronomer who is credited with the discovery of many comets, such as 35P/Herschel-Rigollet, which is named in her honor. In 1828, Herschel became the first woman to be honored with a Gold Medal of the Royal Astronomical Society. She was also the first female scientist to receive a salary.

 15 Joseph Louis Lagrange

Joseph Louis Lagrange
5
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. 

 16 Edmond Halley

Edmond Halley
6
Famous As: Astronomer
Birthdate: November 8, 1656
Sun Sign: Scorpio
Birthplace: Haggerston, London, England
Died: January 14, 1742

Edmond Halley was an English astronomer and mathematician who was mainly concerned with practical applications of science. He abandoned college education to travel to St. Helena. He published catalogue of 341 southern stars with telescopically determined locations. Known for his wide range of interest, he helped Newton to publish his magnum opus,  Philosophiæ Naturalis Principia Mathematica. He used Newton's Law of Motion to compute periodicty of Halley’s Comet.

 17 Adrien-Marie Legendre

Adrien-Marie Legendre
7
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.

 18 Georg Ohm

Georg Ohm
6
Famous As: Physicist & Mathematician
Birthdate: March 16, 1789
Sun Sign: Pisces
Birthplace: Erlangen, Brandenburg-Bayreuth
Died: July 6, 1854

Georg Ohm was a German mathematician and physicist. He is credited with discovering the proportionality between the voltage applied through a conductor and the subsequent electric current, which came to be known as Ohm's law. His work earned him the prestigious Copley Medal in 1841. A prolific writer, Georg Ohm published several papers and pamphlets throughout his career.

 19 Hans Christian Ørsted

Hans Christian Ørsted
5
Famous As: Physicist
Birthdate: August 14, 1777
Sun Sign: Leo
Birthplace: Rudkøbing
Died: March 9, 1851

Hans Christian Ørsted was a Danish chemist and physicist. He was the first person to discover that electric currents can be used to create magnetic fields. His discovery was the first relationship found between magnetism and electricity. Oersted, the unit of the auxiliary magnetic field H, is named in his honor.

 20 Thomas Young

Thomas Young
4
Famous As: Physician
Birthdate: June 13, 1773
Sun Sign: Gemini
Birthplace: Milverton
Died: May 10, 1829

Often referred as The Last Man Who Knew Everything, British polymath Thomas Young made significant contributions to a wide range of subjects like vision, light, energy, musical harmony etc. Especially famous for Wave Theory of Light, he also made significant contribution in deciphering of Egyptian hieroglyphs. Young-Helmholtz theory, Young temperament and Young's Modulus carry his legacy to these days.

 21 Isaac Newton

Isaac Newton
57
Famous As: Formulated the Laws of Motion & Universal Gravitation
Birthdate: January 4, 1643
Sun Sign: Capricorn
Birthplace: Lincolnshire, England
Died: March 31, 1727

One of the most influential and popular scientists of all time, Sir Isaac Newton played a prominent role in our understanding of natural phenomena. He formulated the law of universal gravitation and laws of motion. He also developed the Newtonian telescope among other devices. Apart from science, Newton was also intrigued by religion, occult, and alchemy.

 22 Daniel Gabriel Fahrenheit

Daniel Gabriel Fahrenheit
7
Famous As: Physicist, Inventor
Birthdate: May 24, 1686
Sun Sign: Gemini
Birthplace: Gdańsk
Died: September 16, 1736

Daniel Gabriel Fahrenheit was a scientific instrument maker, inventor, and physicist. One of the most prominent and influential personalities of the Dutch Golden Age of science and technology, Fahrenheit is credited with many important inventions, including the mercury-in-glass thermometer and Fahrenheit scale. His inventions helped shape the history of thermometry. 

 23 Anders Celsius

Anders Celsius
4
Famous As: Astronomer, Physicist, Mathematician
Birthdate: November 27, 1701
Sun Sign: Sagittarius
Birthplace: Uppsala
Died: April 25, 1744
Inventor of the centigrade or the Celcius scale of temperature, Swedish astronomer and scientist Anders Celsius was no stranger to science, being the son of an astronomy professor and the grandson of mathematician Magnus Celsius. His expeditions confirmed Isaac Newton's belief that the earth was flattened at the poles.

 24 Augustin-Louis Cauchy

Augustin-Louis Cauchy
4
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.

 25 Gottfried W. Leibniz

Gottfried W. Leibniz
9
Famous As: Polymath, Mathematician
Birthdate: July 1, 1646
Sun Sign: Cancer
Birthplace: Leipzig, Germany
Died: November 14, 1716
Gottfried Wilhelm Leibniz was a significant logician, mathematician, and philosopher of the Enlightenment era. He laid down his own concepts of differential and integral calculus. He was behind the invention of the mass-produced mechanical calculator and modified the binary number system. He also laid down a separate library cataloging system.

 26 James Watt

James Watt
7
Famous As: Inventor of Steam Engine
Birthdate: January 19, 1736
Sun Sign: Capricorn
Birthplace: Greenock, Renfrewshire, Scotland
Died: August 25, 1819
Eighteenth-century Scottish inventor James Watt developed the Newcomen steam engine, by inventing the Watt steam engine, which brough about the Industrial Revolution in Britain and the world. He also co-owned the firm Boulton and Watt and laid down concepts such as horsepower and the watt, the SI unit of power.

 27 Edward Jenner

Edward Jenner
4
Famous As: Physicians
Birthdate: May 17, 1749
Sun Sign: Taurus
Birthplace: Berkeley, England
Died: January 26, 1823

Edward Jenner was an English scientist and physician. Referred to as the father of immunology, Jenner is credited with pioneering the concept of vaccines. Jenner's work laid the foundation for subsequent discoveries in the field of immunology; his work is believed to have saved more lives than any other work. In 2002, Jenner was included in BBC’s Greatest Britons list.

 28 Joseph Louis Gay-Lussac

Joseph Louis Gay-Lussac
5
Famous As: Chemist
Birthdate: December 6, 1778
Sun Sign: Sagittarius
Birthplace: Saint-Léonard-de-Noblat, France
Died: May 9, 1850

Known for his pathbreaking Gay-Lussac's Law, French chemist-physicist Joseph Louis Gay-Lussac was also the first, along with his colleague Alexander von Humboldt, to discover that water is composed of one part of oxygen and two parts of hydrogen. His name is one of the 72 that adorn the Eiffel Tower.

 29 Giovanni Domenico Cassini

Giovanni Domenico Cassini
3
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

 30 Jöns Jacob Berzelius

Jöns Jacob Berzelius
3
Famous As: Chemist, Non-fiction writer, University teacher
Birthdate: August 20, 1779
Sun Sign: Leo
Birthplace: Östergötland
Died: August 7, 1848

Jöns Jacob Berzelius was a Swedish chemist who is often counted among the founders of modern chemistry alongside Robert Boyle, Antoine Lavoisier, and John Dalton. He is also referred to as the Father of Swedish Chemistry. Jöns Jacob Berzelius is also credited with making immense contributions to the field of stoichiometry. In 1836, he was honored with the Copley Medal.

 31 Benjamin Banneker

Benjamin Banneker
6
Famous As: Compiler of Almanacs
Birthdate: November 9, 1731
Sun Sign: Scorpio
Birthplace: Baltimore County
Died: October 9, 1806

Benjamin Banneker was born to a free African-American mother and a former slave father, and was largely self-educated. While he showed immense talent in both mathematics and astronomy, having predicted a solar eclipse with precision, he also wrote essays on civil rights and rallied against slavery.

 32 John James Audubon

John James Audubon
4
Famous As: Naturalist, Painter, Ornithologist
Birthdate: April 26, 1785
Sun Sign: Taurus
Birthplace: Les Cayes
Died: January 27, 1851

 33 Swedenborg

Swedenborg
4
Famous As: Theologian, Philosopher, Scientist
Birthdate: January 29, 1688
Sun Sign: Aquarius
Birthplace: Stockholm, Sweden
Died: March 29, 1772

Emanuel Swedenborg was a Swedish pluralistic-Christian philosopher, mystic, theologian, and scientist. Swedenborg started hogging the limelight after writing a book on the afterlife titled Heaven and Hell, which released in 1758. A prolific scientist and inventor, Swedenborg experienced spiritual awakening after which he started working on reforming Christianity. He even claimed that he could converse with angels and demons.

 34 Andre Marie Ampere

Andre Marie Ampere
6
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. 

 35 Jean-Baptiste Lamarck

Jean-Baptiste Lamarck
5
Famous As: Naturalist
Birthdate: August 1, 1744
Sun Sign: Leo
Birthplace: Bazentin, France
Died: December 18, 1829

French biologist Jean-Baptiste Lamarck acquired his love for plants while serving as a soldier in the French army. Following an injury, he quit his military career but retained his love for botany. He later taught zoology, studied the classification of invertebrates, and also coined the term biology.

 36 Daniel Bernoulli

Daniel Bernoulli
4
Famous As: Mathematician
Birthdate: February 8, 1700
Sun Sign: Aquarius
Birthplace: Groningen
Died: March 17, 1782

Daniel Bernoulli was a Swiss physicist and mathematician. Born into the popular Bernoulli family of mathematicians, Daniel Bernoulli is renowned for his applications of mathematical equations to mechanics. He is also remembered for his pioneering work in statistics and probability. In 2002, he was inducted into the International Air & Space Hall of Fame.

 37 Charles Messier

Charles Messier
4
Famous As: Astronomer
Birthdate: June 26, 1730
Sun Sign: Cancer
Birthplace: Badonviller
Died: April 12, 1817

French astronomer Charles Messier is remembered for his pioneering tabulation of nebulae, making it easier to differentiate between nebulae and comets. King Louis XV name him The Comet Ferret. He was drawn to astronomy when he witnessed a solar eclipse and the great six-tailed comet in childhood.

 38 Antoine-Augustin Parmentier

Antoine-Augustin Parmentier
7
Famous As: Botanist, Pharmacist, Physician, Agronomist, Nutritionist
Birthdate: August 12, 1737
Sun Sign: Leo
Birthplace: Montdidier
Died: December 17, 1813

While in prison, in the aftermath of the Seven Years’ War, army pharmacist Antoine-Augustin Parmentier was forced to eat potatoes, which were considered fit only for prison ration and animal feed back then. Parmentier later persuaded the Paris Faculty of Medicine to declare potatoes edible and popularized them in France.

 39 Jacques Charles

Jacques Charles
4
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.

 40 Émilie du Châtelet

Émilie du Châtelet
5
Famous As: Philosopher
Birthdate: December 17, 1706
Sun Sign: Sagittarius
Birthplace: Paris, France
Died: September 10, 1749

 41 Charles Macintosh

Charles Macintosh
4
Famous As: Chemist, Inventor
Birthdate: December 29, 1766
Sun Sign: Capricorn
Birthplace: Glasgow
Died: July 25, 1843

 42 Humphry Davy

Humphry Davy
5
Famous As: Inventor of Davy Lamp
Birthdate: December 17, 1778
Sun Sign: Sagittarius
Birthplace: Penzance, England
Died: May 29, 1829

Best remembered for his invention of the Davy lamp, a safety lamp for miners, Humphry Davy initially aspired to be a doctor but later deviated to chemistry. The Copley Medal winner had co-founded the Zoological Society of London. He also excelled in writing poetry and loved fishing.

 43 Georges Cuvier

Georges Cuvier
4
Famous As: Naturalist
Birthdate: August 23, 1769
Sun Sign: Virgo
Birthplace: Montbéliard, France
Died: May 13, 1832

Georges Cuvier was a French zoologist and naturalist. A major figure in the early 19th century's research of natural sciences, Cuvier played an important role in establishing the fields of comparative paleontology and anatomy by comparing fossils with living animals, for which he is sometimes regarded as the founding father of paleontology.

 44 Sophie Germain

Sophie Germain
5
Famous As: Mathematician
Birthdate: April 1, 1776
Sun Sign: Aries
Birthplace: Rue Saint-Denis, Paris, France
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.

 45 Charles Lyell

Charles Lyell
4
Famous As: Lawyer
Birthdate: November 14, 1797
Sun Sign: Scorpio
Birthplace: Angus
Died: February 22, 1875

Charles Lyell was a Scottish geologist best remembered for his work Principles of Geology, which explains the origin of the earth. He is also remembered for his pioneering explanation of climate change. A close friend of Charles Darwin, Charles Lyell is also credited with influencing many of Darwin's works pertaining to the theories of evolution.  

 46 Luigi Galvani

Luigi Galvani
4
Famous As: Anatomist, Physicist, Physician, University teacher
Birthdate: September 9, 1737
Sun Sign: Virgo
Birthplace: Bologna
Died: December 4, 1798

Luigi Galvani was an Italian physician, biologist, physicist, and philosopher. He is credited with the discovery of animal electricity and is considered a pioneer of bioelectromagnetics. He and his wife made one of the first forays into the study of bioelectricity when they discovered that the muscles of dead frogs' legs twitched when struck by an electrical spark.  

 47 Mary Somerville

Mary Somerville
6
Famous As: Mathematician, Linguist, Translator, Astronomer, Scientist
Birthdate: December 26, 1780
Sun Sign: Capricorn
Birthplace: Jedburgh
Died: November 28, 1872

One of the two pioneering female honorary members of the Royal Astronomical Society, Mary Somerville was a 19th-century polymath and science writer. Though she specialized in math and astronomy, she was also well-versed in botany and geology. The Connection of the Physical Sciences remains her most notable work.

 48 Joseph Banks

Joseph Banks
5
Famous As: Botanist
Birthdate: February 24, 1743
Sun Sign: Pisces
Birthplace: London, England
Died: June 19, 1820

British naturalist Joseph Banks is remembered for accompanying Captain James Cook on his voyage across places such as Brazil and Tahiti. He had also been the president of the Royal Society for over 40 years. Both his herbarium and library now find a place at the British Museum.

 49 Marquis de Condorcet

Marquis de Condorcet
3
Famous As: Mathematician, Philosopher
Birthdate: September 17, 1743
Sun Sign: Virgo
Birthplace: Ribemont, France
Died: March 29, 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.

 50 Johann Heinrich Lambert

Johann Heinrich Lambert
3
Famous As: Mathematician, Polymath
Birthdate: August 26, 1728
Sun Sign: Virgo
Birthplace: Mulhouse, France
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.