Sciences
Sciences fondamentales et appliquées
72 charactersAntiquity(7)

Archimedes
286 av. J.-C. — 211 av. J.-C.
Greek mathematician and physicist from Sicily (c. 287–212 BC), Archimedes is one of the greatest scholars of Antiquity. He revolutionized mathematics and physics by developing innovative methods for calculating areas and volumes, and by formulating the principles of levers and buoyancy.

Aristotle
460 av. J.-C. — 401 av. J.-C.
Greek philosopher born in Stagira (384–322 BC), Aristotle founded his own school, the Lyceum, in Athens. He developed comprehensive systems of logic, metaphysics, ethics, and politics that profoundly influenced Western thought.

Euclid
333 av. J.-C. — 284 av. J.-C.
A Greek mathematician of Antiquity, Euclid lived in Alexandria in the 3rd century BC. He is the author of the Elements, the most influential mathematical work in history, which dominated the teaching of geometry for over 2,000 years.

Hypatia of Alexandria
vers 355/370 — 415
Greek mathematician, astronomer, and philosopher of the 4th–5th centuries, she taught in Alexandria and advanced the sciences of antiquity. An iconic figure of female scholarship, she was murdered in 415 during religious unrest.

Ptolémée
250 — 350
Astronome et mathématicien grec du IIe siècle, Ptolémée a développé le modèle géocentrique qui a dominé l'astronomie occidentale pendant plus de mille ans. Son œuvre majeure, l'Almageste, constitue un traité fondamental de l'astronomie antique compilant observations et théories mathématiques.

Pythagore
582 av. J.-C. — 490 av. J.-C.
Philosophe et mathématicien grec (vers 580-495 av. J.-C.) originaire de l'île de Samos. Fondateur d'une communauté philosophique en Italie du Sud, il est célèbre pour ses travaux en géométrie, particulièrement le théorème portant son nom qui relie les côtés d'un triangle rectangle.

Thalès
624 av. J.-C. — 545 av. J.-C.
Philosophe et savant grec du VIe siècle av. J.-C., Thalès de Milet est considéré comme le fondateur de la géométrie grecque. Il est célèbre pour ses théorèmes en géométrie, notamment le théorème portant son nom sur la proportionnalité des segments, et pour ses travaux pionniers en mathématiques et astronomie.
Middle Ages(3)

Al-Khwârizmî
780 — 850
A Persian mathematician, geographer, and astronomer of the 9th century, Al-Khwârizmî revolutionized mathematics by formalizing algebra and popularizing the Indo-Arabic decimal numeral system. His name gave rise to the word "algorithm", a concept fundamental to modern mathematics.

Ibn al-Haytham
965 — 1039
Arab mathematician, optician, and astronomer

Ibn Khaldun
1332 — 1406
Muslim philosopher, sociologist, historiographer and historian
Renaissance(5)

Ambroise Paré
1510 — 1590
French surgeon and anatomist (1510-1590) who revolutionized Renaissance surgery by abandoning brutal medieval practices. He laid the foundations of modern surgery through his anatomical innovations and more humane techniques.

Andreas Vesalius
1515 — 1564
Flemish anatomist of the 16th century, Vesalius revolutionized the study of the human body through systematic dissection and direct observation. He is the author of De Humani Corporis Fabrica (1543), a founding work of modern anatomy that challenged the anatomical errors inherited from Galen.

Galileo
1564 — 1642
Italian physicist, astronomer, and philosopher (1564–1642), Galileo revolutionized science by combining experimental observation with mathematics. Inventor of the astronomical telescope and champion of the heliocentric model, he laid the foundations of modern physics despite being tried by the Inquisition.

Leonardo da Vinci
1452 — 1519
Italian Renaissance painter, sculptor, architect, and engineer (1452–1519), Leonardo da Vinci embodies the ideal of the universal man. Creator of the Mona Lisa and The Last Supper, he revolutionized art through perspective and scientific observation, while pursuing research in anatomy, botany, and engineering.

Nicolas Copernicus
1473 — 1543
Polish Renaissance astronomer, mathematician, and canon (1473–1543). He revolutionized our understanding of the universe by proposing the heliocentric model, placing the Sun at the center of the solar system rather than the Earth. His major work, De revolutionibus orbium coelestium, published shortly before his death, marks the beginning of the Scientific Revolution.
Early Modern(14)

Antoine de Lavoisier
1743 — 1794
An 18th-century French chemist, Lavoisier is the founder of modern chemistry. He established the law of conservation of mass and identified oxygen, revolutionizing the understanding of chemical phenomena.

Blaise Pascal
1623 — 1662
French mathematician, physicist, philosopher and writer (1623–1662), Blaise Pascal revolutionized mathematics by founding probability theory and left a lasting mark on Christian philosophy through his exploration of doubt and faith. A major figure of the 17th century, he combined scientific rigor with metaphysical inquiry.

Buffon
1707 — 1788
French naturalist and mathematician of the 18th century, Buffon is one of the founders of modern natural history. As director of the Jardin du Roi in Paris, he proposed a groundbreaking theory on the age of the Earth and the evolution of species.

Carl von Linnaeus
1707 — 1778
An 18th-century Swedish naturalist, Carl von Linnaeus revolutionized the classification of living organisms. He created a binomial nomenclature system that made it possible to name and organize all known species in a rational and universal way.
Caroline Herschel
1750 — 1848

Émilie du Châtelet
1706 — 1749

Fontenelle
1657 — 1757
A French writer and scholar of the 17th–18th century, Fontenelle popularized science for the general public. Known for his Conversations on the Plurality of Worlds and his role as perpetual secretary of the Académie des sciences, he embodies the spirit of the Enlightenment.

Isaac Newton
1643 — 1727
English mathematician, physicist and astronomer (1643–1727), Isaac Newton is one of the greatest scientists in history. He revolutionized science by formulating the laws of motion and universal gravitation, and by developing calculus.

Jean-Baptiste Lamarck
1744 — 1829
French naturalist and zoologist (1744–1829), Lamarck developed a theory of evolution based on the adaptation of organisms to their environment and the inheritance of acquired characteristics. A professor at the Paris Museum of Natural History, he laid the foundations of transformism, a precursory vision of evolution predating Darwin.

Jeanne Barret
1740 — 1807
explorer and botanist (1740-1807)

Leibniz
1646 — 1716
A German philosopher and mathematician of the 17th century, Leibniz contributed to the scientific revolution by developing infinitesimal calculus and proposing an original philosophy grounded in monadology. He shaped modern thought through his theory of pre-established harmony and his metaphysical optimism.

Leonhard Euler
1707 — 1783
Swiss mathematician, physicist, and engineer (1707–1783), Euler is one of the greatest scientists of the 18th century. Prolific and innovative, he contributed to nearly every field of mathematics and physics, despite the blindness that affected him from 1738 onward.

Pierre de Fermat
1607 — 1665
A French mathematician and magistrate of the 17th century, Pierre de Fermat left a lasting mark on the history of mathematics through his fundamental contributions to number theory, analytic geometry, and probability theory. Although he worked primarily as a counselor in the Parliament of Toulouse, his mathematical work inspired generations of mathematicians to come.

René Descartes
1596 — 1650
Philosophe et mathématicien français du XVIIe siècle, fondateur de la philosophie moderne et du rationalisme. Connu pour sa méthode du doute méthodique et son célèbre principe « Je pense, donc je suis ». Il a révolutionné les mathématiques en créant la géométrie analytique.
19th Century(22)

Ada Lovelace
1815 — 1852
British mathematician (1815-1852), pioneer of computing and programming. She wrote the first algorithm intended to be executed by a machine, working on Charles Babbage's Analytical Engine. Her legacy makes her a founding figure of theoretical computer science.

Albert Einstein
1879 — 1955
German-born physicist who became Swiss and later American (1879–1955), Albert Einstein revolutionized physics by developing the theories of special and general relativity. He is the author of the famous equation E=mc² and received the Nobel Prize in Physics in 1921 for his work on the photoelectric effect.

Alfred Wegener
1880 — 1930
German scientist (1880–1930) who proposed the theory of continental drift in the early 20th century. This revolutionary theory suggests that continents are not fixed but slowly move across the Earth's surface. Though widely rejected at the time, his theory laid the foundations for modern plate tectonics.

Champollion
1790 — 1832
French Egyptologist (1790-1832) who revolutionized the study of ancient Egypt by deciphering Egyptian hieroglyphs using the Rosetta Stone. His work opened the door to understanding Egyptian civilization and established Egyptology as a scientific discipline.

Charles Babbage
1791 — 1871
British mathematician (1791–1871), Charles Babbage is the pioneer of modern computing. He designed the Analytical Engine, the first programmable machine in history, and the Difference Engine, both conceptual ancestors of the computer.

Charles Darwin
1809 — 1882
A 19th-century English naturalist, Charles Darwin revolutionized biology by proposing the theory of evolution by natural selection. His observations during the voyage of the Beagle and his subsequent work laid the foundations of modern biology.

Emmy Noether
1882 — 1935
German mathematician (1882–1935) considered one of the greatest mathematicians of the 20th century. She revolutionized abstract algebra, and her landmark theorem established the deep connection between symmetries and conservation laws in physics.

Ernest Rutherford
1871 — 1937
New Zealand-born physicist and chemist (1871–1937) who revolutionized our understanding of atomic structure. He discovered the atomic nucleus and elucidated the mechanisms of radioactivity, laying the foundations of modern nuclear physics.

Georg Ohm
1789 — 1854
German physicist (1787-1854) who discovered the fundamental relationship between voltage, current, and electrical resistance. His law, formulated in 1827, became one of the foundational laws of electricity and bears his name.

George Boole
1815 — 1864
19th-century British mathematician and logician, founder of Boolean algebra. He revolutionized logic by translating it into a mathematical system, laying the foundations of modern computing.

Gregor Mendel
1822 — 1884
Moravian monk and naturalist (1822–1884), Gregor Mendel is the founder of modern genetics. Through his experiments with pea plants, he discovered the fundamental laws of heredity that govern the transmission of traits from one generation to the next.

Henrietta Leavitt
1868 — 1921

Louis Pasteur
1822 — 1895
French chemist and biologist (1822–1895), founder of modern microbiology. He demonstrated the role of microorganisms in diseases and fermentation, revolutionizing medicine and hygiene. His discoveries led to the development of vaccines and pasteurization.

Maria Montessori
1870 — 1952
Italian physician and educator

Marie Curie
1867 — 1934
Polish-born French physicist and chemist (1867–1934). A pioneer in the study of radioactivity, she was the first woman to receive a Nobel Prize and the only person to receive two Nobel Prizes in different scientific fields. Her discoveries revolutionized modern physics and chemistry.
Mary Anning
1799 — 1843

Max Planck
1858 — 1947
German physicist (1858–1947) who revolutionized physics by discovering quantum theory in 1900. He established that energy is emitted in small discrete portions called quanta, laying the foundations of quantum mechanics. His work marked the transition from classical physics to modern physics.

Nikola Tesla
1856 — 1943
Serbian-American inventor and engineer (1856-1943), Nikola Tesla is one of the central figures of the electrical revolution. His work on alternating current and his technological innovations transformed modern electricity and energy transmission.

Santiago Ramón y Cajal
1852 — 1934
histologiste et neuroscientifique espagnol

Sigmund Freud
1856 — 1939
Neurologue et psychanalyste autrichien (1856-1939), fondateur de la psychanalyse. Freud a développé une théorie révolutionnaire de l'inconscient et des mécanismes psychologiques régissant le comportement humain, influençant profondément la psychologie, la psychiatrie et la philosophie modernes.

Sofia Kovalevskaya
1850 — 1891

Srinivasa Ramanujan
1887 — 1920
Mathématicien indien autodidacte (1887-1920), Ramanujan a découvert des milliers de formules mathématiques remarquables sans formation universitaire formelle. Reconnu par le mathématicien G.H. Hardy, il a contribué à la théorie des nombres et aux fonctions modulaires avant de mourir prématurément à 32 ans.
20th Century(21)

Alan Turing
1912 — 1954
British mathematician and cryptologist (1912-1954), Alan Turing is the founder of theoretical computer science and artificial intelligence. He contributed to the decryption of the Enigma machine during the Second World War and formalized the concepts of computability and algorithm.
Barbara McClintock
1902 — 1992

Chien-Shiung Wu
1912 — 1997

Claude Lévi-Strauss
1908 — 2009
French anthropologist and ethnologist (1908-2009), founder of structural anthropology. He revolutionized the study of human societies by applying structuralist methods to myths, kinship systems, and cultural practices. His major work, Tristes Tropiques, combines ethnographic narrative with philosophical reflection.
Donna Strickland
1959 — ?

Dorothy Hodgkin
1910 — 1994
British chemist (1910-1994)
Grace Hopper
1906 — 1992

James Watson & Francis Crick
1928 — 2004 / 1916 — 2004
British and American biologists who discovered the structure of DNA in 1953. Their work revolutionized the understanding of heredity and laid the foundations of modern molecular biology.

Jocelyn Bell Burnell
1943 — ?

John von Neumann
1903 — 1957
Hungarian-American mathematician and physicist (1903–1957), pioneer of modern computing and game theory. He is the founding architect of the programmable digital computer and contributed to the development of nuclear energy.

Katherine Johnson
1918 — 2020
African-American physicist, mathematician, and space engineer

Lise Meitner
1878 — 1968
Austro-Swedish physicist

Mae Jemison
1956 —
American physician and astronaut
Margaret Hamilton
1936 — ?

Marie Tharp
1920 — 2006

Maryam Mirzakhani
1977 — 2017

Neil Armstrong
1930 — 2012
American astronaut (1930-2012), Neil Armstrong was the first person to walk on the Moon on July 20, 1969. Commander of the Apollo 11 mission, he marked a major turning point in space exploration and the Cold War.
Rachel Carson
1907 — 1964
Rita Levi-Montalcini
1909 — 2012

Rosalind Franklin
1920 — 1958
Biologiste moléculaire britannique (1920-1958), Rosalind Franklin a apporté des contributions essentielles à la compréhension de la structure de l'ADN grâce à ses travaux de cristallographie aux rayons X. Elle est notamment célèbre pour la photographie 51, image fondamentale qui a révélé la structure en double hélice de l'ADN.

Tu Youyou
1930 —
chercheuse en pharmacie chinoise