Humans of History

Scientists

The minds that decoded nature's laws.

records written

Salvador Allende

Modern era

Salvador Allende

June 26, 1908 – September 11, 1973

28th president of Chile (1908–1973

Kofi Annan

Modern era

Kofi Annan

April 8, 1938 – August 18, 2018

7th Secretary-General of the United Nations (1938-2018)

Leonardo da Vinci

Early Modern era

Leonardo da Vinci

April 15, 1452 – May 2, 1519

Renaissance polymath — painter of the Mona Lisa, engineer, and anatomist

Galileo Galilei

Early Modern era

Galileo Galilei

February 15, 1564 – January 8, 1642

Astronomer and physicist, father of observational science

Isaac Newton

Early Modern era

Isaac Newton

December 25, 1642 – March 31, 1727

Physicist and mathematician who formulated the laws of motion and universal gravitation

Charles Darwin

Modern era

Charles Darwin

February 12, 1809 – April 19, 1882

Naturalist whose theory of evolution by natural selection transformed biology

Louis Pasteur

Modern era

Louis Pasteur

December 27, 1822 – September 28, 1895

Chemist whose germ theory and vaccines saved uncounted lives

Thomas Edison

Modern era

Thomas Edison

February 11, 1847 – October 18, 1931

Prolific American inventor of the phonograph and practical electric light

Nikola Tesla

Modern era

Nikola Tesla

July 10, 1856 – January 7, 1943

Inventor and electrical engineer who pioneered alternating current

Marie Curie

Modern era

Marie Curie

November 7, 1867 – July 4, 1934

Physicist and chemist, first person to win Nobel Prizes in two sciences

Albert Einstein

Modern era

Albert Einstein

March 14, 1879 – April 18, 1955

Theoretical physicist who reshaped our understanding of space, time, and energy

Alexander Fleming

Modern era

Alexander Fleming

August 6, 1881 – March 11, 1955

Discoverer of penicillin, the first true antibiotic

Alan Turing

Modern era

Alan Turing

June 23, 1912 – June 7, 1954

Mathematician who founded computer science and broke Enigma

Ada Lovelace

Modern era

Ada Lovelace

December 10, 1815 – November 27, 1852

Mathematician who wrote the first computer program a century early

Rosalind Franklin

Contemporary era

Rosalind Franklin

July 25, 1920 – April 16, 1958

Chemist whose X-ray images revealed the structure of DNA

Katherine Johnson

Contemporary era

Katherine Johnson

August 26, 1918 – February 24, 2020

NASA mathematician whose orbital calculations carried astronauts home

Stephen Hawking

Contemporary era

Stephen Hawking

January 8, 1942 – March 14, 2018

Cosmologist who mapped black holes from a wheelchair

Nicolaus Copernicus

Medieval era

Nicolaus Copernicus

February 19, 1473 – May 24, 1543

Polish mathematician and astronomer (1473-1543)

Johannes Kepler

Early Modern era

Johannes Kepler

December 27, 1571 – November 15, 1630

German mathematician and astronomer (1571–1630)

Tycho Brahe

Early Modern era

Tycho Brahe

December 14, 1546 – October 24, 1601

Danish astronomer and alchemist, 1546–1601

Edmond Halley

Early Modern era

Edmond Halley

November 8, 1656 – January 14, 1742

English astronomer, mathematician, geophysicist, meteorologist and physicist (1656–1742)

William Herschel

Early Modern era

William Herschel

November 15, 1738 – August 15, 1822

German-born British astronomer and composer (1738–1822)

Caroline Herschel

Early Modern era

Caroline Herschel

March 16, 1750 – January 9, 1848

German-British astronomer (1750-1848)

Edwin Hubble

Modern era

Edwin Hubble

November 20, 1889 – September 28, 1953

American astronomer (1889–1953)

Georges Lemaitre

Modern era

Georges Lemaitre

July 17, 1894 – June 20, 1966

Belgian astrophysicist and Catholic priest (1894–1966)

Carl Sagan

Modern era

Carl Sagan

November 9, 1934 – December 20, 1996

American astrophysicist, cosmologist and author (1934–1996)

Vera Rubin

Modern era

Vera Rubin

July 23, 1928 – December 25, 2016

American astronomer and physicist (1928-2016)

Neil deGrasse Tyson

Contemporary era

Neil deGrasse Tyson

b. October 5, 1958

American astrophysicist and science communicator

Leonhard Euler

Early Modern era

Leonhard Euler

April 15, 1707 – September 18, 1783

Swiss mathematician, physicist, and engineer (1707–1783)

Carl Friedrich Gauss

Early Modern era

Carl Friedrich Gauss

April 30, 1777 – February 23, 1855

German mathematician and physicist (1777–1855)

Bernhard Riemann

Modern era

Bernhard Riemann

September 17, 1826 – July 20, 1866

German mathematician (1826–1866)

Pierre de Fermat

Early Modern era

Pierre de Fermat

August 17, 1601 – January 12, 1665

French mathematician and lawyer

Blaise Pascal

Early Modern era

Blaise Pascal

June 19, 1623 – August 19, 1662

French mathematician, physicist, inventor, writer, and Christian philosopher (1623-1662)

Gottfried Wilhelm Leibniz

Early Modern era

Gottfried Wilhelm Leibniz

June 21, 1646 – November 14, 1716

Co-inventor of calculus and pioneer of computation

Fibonacci

Medieval era

Fibonacci

1170 – c. 1240

Italian mathematician (c.1170–c.1240/50)

Al-Khwarizmi

Medieval era

Al-Khwarizmi

c. 750 CE – 846 CE

Mathematician of Baghdad who gave the world algebra and algorithms

Ibn al-Haytham

Medieval era

Ibn al-Haytham

965 CE – 1038

Arab physicist, mathematician and astronomer (c. 965 – c. 1040)

Ibn Sina (Avicenna)

Medieval era

Ibn Sina (Avicenna)

980 CE – June 18, 1037

Persian polymath whose Canon of Medicine taught Europe for 600 years

Al-Razi

Medieval era

Al-Razi

866 CE – 925 CE

Persian polymath, physician, chemist and philosopher (854-925)

Al-Biruni

Medieval era

Al-Biruni

September 4, 973 CE – December 9, 1048

11th-century Persian scholar and polymath (973–1048)

Srinivasa Ramanujan

Modern era

Srinivasa Ramanujan

December 22, 1887 – April 26, 1920

Indian mathematician (1887–1920)

David Hilbert

Modern era

David Hilbert

January 23, 1862 – February 14, 1943

German mathematician (1862–1943)

Kurt Godel

Modern era

Kurt Godel

April 28, 1906 – January 14, 1978

Austrian-American logician, mathematician, and philosopher of mathematics (1906–1978)

Emmy Noether

Modern era

Emmy Noether

March 23, 1882 – April 14, 1935

German Jewish mathematician (1882–1935)

John von Neumann

Modern era

John von Neumann

December 28, 1903 – February 8, 1957

Hungarian and American mathematician and physicist (1903–1957)

Claude Shannon

Modern era

Claude Shannon

April 30, 1916 – February 24, 2001

American mathematician and information theorist (1916–2001)

Michael Faraday

Early Modern era

Michael Faraday

September 22, 1791 – August 25, 1867

British scientist (1791–1867)

James Clerk Maxwell

Modern era

James Clerk Maxwell

June 13, 1831 – November 5, 1879

Scottish physicist (1831–1879)

Heinrich Hertz

Modern era

Heinrich Hertz

February 22, 1857 – January 1, 1894

German physicist (1857–1894)

Ludwig Boltzmann

Modern era

Ludwig Boltzmann

February 20, 1844 – September 5, 1906

Austrian physicist and philosopher (1844–1906)

Lord Kelvin

Modern era

Lord Kelvin

June 26, 1824 – December 17, 1907

British physicist and engineer (1824–1907)

Christiaan Huygens

Early Modern era

Christiaan Huygens

April 14, 1629 – July 8, 1695

Dutch mathematician, physicist and astronomer (1629–1695)

Robert Hooke

Early Modern era

Robert Hooke

July 18, 1635 – March 3, 1703

English natural philosopher, architect and polymath (1635 — 1703)

Robert Boyle

Early Modern era

Robert Boyle

January 25, 1627 – December 31, 1691

Anglo-Irish natural philosopher, chemist, physicist, and inventor

Alessandro Volta

Early Modern era

Alessandro Volta

February 18, 1745 – March 5, 1827

Italian chemist and physicist (1745–1827)

Andre-Marie Ampere

Early Modern era

Andre-Marie Ampere

January 20, 1775 – June 10, 1836

French physicist and mathematician (1775–1836)

Georg Ohm

Early Modern era

Georg Ohm

March 16, 1789 – July 6, 1854

German physicist and mathematician

Wilhelm Rontgen

Modern era

Wilhelm Rontgen

March 27, 1845 – February 10, 1923

German physicist (1845–1923)

Henri Becquerel

Modern era

Henri Becquerel

December 15, 1852 – August 25, 1908

French physicist (1852–1908)

Pierre Curie

Modern era

Pierre Curie

May 15, 1859 – April 19, 1906

French physicist (1859–1906)