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Filter by category and discipline, then by continent, country and century of birth. Countries not yet represented can be drafted at the research desk.

32 figures

Ptolemy

100 – 170

The Almagest ruled astronomy for 1,400 years; his Geography guided Columbus.

Egypt·Astronomy · Mathematics

Hypatia of Alexandria

360 – 415

Mathematician and astronomer murdered by a mob; symbol of learning against zealotry.

Egypt·Mathematics · Astronomy · Philosophy

Aryabhata

476 – 550

Gave place-value, an accurate π, and a rotating Earth in 499 CE.

India·Mathematics · Astronomy

Boethius

477 – 524

Wrote Consolation of Philosophy awaiting execution; medieval Europe's bridge to antiquity.

Italy·Philosophy · Mathematics

Brahmagupta

598 – 668

First to treat zero as a number and define rules for negatives.

India·Mathematics

Muhammad ibn Musa al-Khwarizmi

780 – 850

Gave the world algebra and, through his own name, the algorithm.

Uzbekistan·Mathematics · Astronomy · ComputingFull profile

Ibn al-Haytham

965 – 1040

Founded optics and the experimental method in the Book of Optics.

Iraq·Physics · Mathematics

Al-Biruni

973 – 1048

Measured Earth's radius to within 1% and wrote the first comparative anthropology of India.

Uzbekistan·Astronomy · Mathematics · History

Omar Khayyam

1048 – 1131

Solved cubics geometrically, reformed the calendar, wrote the Rubaiyat.

Iran·Mathematics · Astronomy · Literature

Nasir al-Din al-Tusi

1201 – 1274

Tusi couple; his planetary models likely reached Copernicus.

Iran·Astronomy · Mathematics

Ulugh Beg

1394 – 1449

Sultan-astronomer whose star catalogue stood unmatched for two centuries.

Uzbekistan·Astronomy · Mathematics

Copernicus

1473 – 1543

Moved the Earth from the centre of the universe.

Poland·Astronomy · Mathematics

Galileo Galilei

1564 – 1642

Pointed a telescope upward and broke the authority of the ancients.

Italy·Astronomy · Physics · MathematicsFull profile

Johannes Kepler

1571 – 1630

Three laws of planetary motion; every satellite orbit obeys them.

Germany·Astronomy · Mathematics

René Descartes

1596 – 1650

Cogito ergo sum and coordinate geometry.

France·Philosophy · Mathematics

Blaise Pascal

1623 – 1662

Probability theory, hydrostatics, and a mechanical calculator at nineteen.

France·Mathematics · Physics · Philosophy

Isaac Newton

1643 – 1727

Showed that one law governs the apple and the Moon alike.

United Kingdom·Physics · Mathematics · AstronomyFull profile

Gottfried Wilhelm Leibniz

1646 – 1716

Calculus notation we still use, and binary arithmetic.

Germany·Mathematics · Philosophy · Computing

Émilie du Châtelet

1706 – 1749

Translated Newton into French and established kinetic energy as mv².

France·Physics · Mathematics

Leonhard Euler

1707 – 1783

The most prolific mathematician ever; wrote much of modern notation.

Switzerland·Mathematics

Carl Friedrich Gauss

1777 – 1855

The Prince of Mathematicians; number theory, geodesy, magnetism.

Germany·Mathematics · Astronomy · Physics

Ada Lovelace

1815 – 1852

Wrote the first algorithm intended for a machine and saw computing beyond numbers.

United Kingdom·Computing · Mathematics

James Clerk Maxwell

1831 – 1879

Four equations that unified electricity, magnetism and light — hence radio and Wi-Fi.

United Kingdom·Physics · Mathematics

Georg Cantor

1845 – 1918

Proved there are different sizes of infinity.

Russia·Mathematics

Emmy Noether

1882 – 1935

Noether's theorem links symmetry to conservation laws — the backbone of modern physics.

Germany·Mathematics · Physics

Srinivasa Ramanujan

1887 – 1920

Self-taught genius whose notebooks still yield theorems a century later.

India·Mathematics

John von Neumann

1903 – 1957

Computer architecture, game theory, quantum foundations.

Hungary·Mathematics · Computing · Economics

Kurt Gödel

1906 – 1978

Incompleteness theorems set permanent limits on formal systems.

Czech Republic·Mathematics · Philosophy

Subrahmanyan Chandrasekhar

1910 – 1995

Worked out at nineteen why some stars must collapse into black holes.

India·Astronomy · Physics · MathematicsNobelFull profile

Alan Turing

1912 – 1954

Defined what a computer is, then was destroyed by the country he saved.

United Kingdom·Mathematics · Computing · BiologyFull profile

Claude Shannon

1916 – 2001

Information theory: the bit, and the mathematics of all digital communication.

United States·Mathematics · Computing

Ernő Rubik

b. 1944

His cube became a global object lesson in group theory.

Hungary·Engineering · Mathematics