Humans of History

Scientists

The minds that decoded nature's laws.

records written

Paolo Toscanelli

Medieval era

Paolo Toscanelli

April 21, 1397 – May 10, 1482

Florentine astronomer

Martin Behaim

Medieval era

Martin Behaim

October 6, 1459 – July 29, 1507

German navigator and geographer to the King of Portugal (1459–1507)

Luca Pacioli

Medieval era

Luca Pacioli

1445 – 1517

Italian father of accounting (*~1445 – †1517)

John Ball

Modern era

John Ball

August 20, 1818 – October 21, 1889

British politician, naturalist and Alpine traveller. (1818-1889)

J

Medieval era

Jacoba Felicie

b. c. 1300

Italian physician

Roderic

Contemporary era

Roderic

b. February 19, 1956

American neuroscientist

Berossus

Ancient era

Berossus

c. 400 BCE – c. 300 BCE

3rd-century BC Babylonian writer, priest and astronomer

K

Ancient era

Kidinnu

400 BCE – 330 BCE

Babylonian astronomer, possible creator of Babylonian System B ephemerides

P

Ancient era

Peseshet

c. 2500 BCE – c. 2500 BCE

Ancient Egyptian physician

Hesy-Ra

Ancient era

Hesy-Ra

c. 2800 BCE – c. 2700 BCE

Ancient Egyptian dentist

Borzuya

Medieval era

Borzuya

c. 500 CE – c. 600 CE

Persian scientist

Josiah

Modern era

Josiah

February 11, 1839 – April 28, 1903

American scientist (1839–1903)

Herophilos

Ancient era

Herophilos

335 BCE – 280 BCE

Greek physician (335–280 BC)

Erasistratus

Ancient era

Erasistratus

c. 305 BCE – 249 BCE

Ancient Greek physician

Hero of Alexandria

Ancient era

Hero of Alexandria

10 CE – 75 CE

Ancient Greek mathematician and engineer

Pappus of Alexandria

Ancient era

Pappus of Alexandria

290 CE – 350 CE

4th century Greek mathematician

Diophantus

Ancient era

Diophantus

c. 201 CE – 284 CE

3rd century Alexandrian Greek mathematician

K

Modern era

Khan Abdul Jabbar Khan

c. 1882 – May 9, 1958

Figure of the Indian Independence Movement and Pakistani politician

Sir Ziauddin Ahmad

Modern era

Sir Ziauddin Ahmad

February 13, 1878 – December 23, 1947

Indian mathematician and philosopher (1873-1947)

Ram Manohar Lohia

Modern era

Ram Manohar Lohia

March 23, 1910 – October 12, 1967

Indian politician (1910–1967)

Lakshmi Sahgal

Modern era

Lakshmi Sahgal

October 24, 1914 – July 23, 2012

Officer in the Indian National Army (INA) and former presidential candidate of India

M

Modern era

Matiur Rahman (military pilot)

b. September 1, 1940

Indian physicist (1940-)

Anandi Gopal Joshi

Modern era

Anandi Gopal Joshi

March 31, 1865 – February 26, 1887

One of the first Indian woman doctor (1865-1887)

Kadambini Ganguly

Modern era

Kadambini Ganguly

July 18, 1862 – October 3, 1923

Indian physician (1862–1923)

Rukhmabai

Modern era

Rukhmabai

November 22, 1864 – September 25, 1955

One of the first practicing women doctors in colonial India.

Muthulakshmi Reddy

Modern era

Muthulakshmi Reddy

July 30, 1886 – July 22, 1968

Indian physician, surgeon, women's rights activist, social reformer and legislator (1886–1968)

I

Modern era

Iyothee Thass

May 20, 1845 – 1914

Indian activist

Mary Poonen Lukose

Modern era

Mary Poonen Lukose

August 2, 1886 – October 2, 1976

Indian gynecologist, obstetrician and the first female Surgeon General in India.

Verrier Elwin

Modern era

Verrier Elwin

August 29, 1902 – February 22, 1964

British anthropologist (1902-1964)

Upendranath Brahmachari

Modern era

Upendranath Brahmachari

December 19, 1873 – February 6, 1946

Indian physician (1873–1946)

Yellapragada Subbarow

Modern era

Yellapragada Subbarow

January 12, 1895 – August 9, 1948

Indian-American scientist

K

Modern era

Kamala Sohonie

June 18, 1911 – June 28, 1998

Indian biochemist (1911–1998)

Asima Chatterjee

Modern era

Asima Chatterjee

September 23, 1917 – November 22, 2006

Indian chemist (1917–2006)

Anna Mani

Modern era

Anna Mani

August 23, 1918 – August 16, 2001

Indian meteorologist

Janaki Ammal

Modern era

Janaki Ammal

November 4, 1897 – February 7, 1984

Indian botanist (1897-1984)

Birbal Sahni

Modern era

Birbal Sahni

November 14, 1891 – April 10, 1949

Indian botanist (1891-1949)

Prafulla Chandra Ray

Modern era

Prafulla Chandra Ray

August 2, 1861 – June 16, 1944

Bengali chemist, educationist, poet, historian, industrialist and philanthropist (1861–1944)

Radhanath Sikdar

Modern era

Radhanath Sikdar

1813 – May 17, 1870

Indian mathematician

Ruchi Ram Sahni

Modern era

Ruchi Ram Sahni

April 5, 1863 – June 3, 1948

First Indian metrologist , freedom fighter and activist (1863-1948)

Shanti Swaroop Bhatnagar

Modern era

Shanti Swaroop Bhatnagar

February 21, 1894 – January 1, 1955

Indian chemist (1894–1955)

Salim Ali

Modern era

Salim Ali

November 12, 1896 – July 27, 1987

Indian ornithologist (1896-1987)

K. S. Krishnan

Modern era

K. S. Krishnan

December 4, 1898 – June 14, 1961

Indian physicist (1898-1961)

Meghnad Saha

Modern era

Meghnad Saha

October 6, 1893 – February 16, 1956

Bengali astrophysicist (1893–1956)

V

Modern era

Vainu Bappu

August 10, 1927 – August 19, 1982

Indian astronomer (1927-1982)

G

Modern era

G. N. Ramachandran

October 8, 1922 – April 7, 2001

Indian scientist (1922-2001)

Sambhu Nath De

Modern era

Sambhu Nath De

February 1, 1915 – April 15, 1985

Indian medical researcher (1915-1985)

D

Modern era

Dilip Mahalanabis

November 12, 1934 – 2022

Indian pediatrician (1934–2022)

Prasanta Chandra Mahalanobis

Modern era

Prasanta Chandra Mahalanobis

June 29, 1893 – June 28, 1972

Indian scientist and statistician (1893–1972)

M. S. Swaminathan

Modern era

M. S. Swaminathan

August 7, 1925 – September 28, 2023

Indian agronomist (1925–2023)

Riazuddin

Modern era

Riazuddin

November 10, 1930 – September 9, 2013

Pakistani nuclear physicist (1930–2013)

A

Modern era

Ahmad Hassan Dani

June 20, 1920 – January 26, 2009

Pakistani intellectual, archaeologist, historian, and linguist (1920–2009)

Luke the Evangelist

Luke the Evangelist

d. 84 CE

One of the four evangelists

Saint Valentine

Ancient era

Saint Valentine

175 CE – February 14, 273 CE

3rd-century Roman Christian saint (175–273)

Anaximander

Ancient era

Anaximander

620 BCE – 547 BCE

Pre-Socratic Greek philosopher

Anaxagoras

Ancient era

Anaxagoras

500 BCE – 428 BCE

5th-century BC Greek philosopher

Empedocles

Ancient era

Empedocles

490 BCE – 430 BCE

5th century BC Greek philosopher

Aristarchus of Samos

Ancient era

Aristarchus of Samos

310 BCE – 230 BCE

Greek astronomer and mathematician (c.310–c.230 BC)

Hipparchus

Ancient era

Hipparchus

190 BCE – 120 BCE

2nd century Greek astronomer, geographer and mathematician

Pliny the Elder

Ancient era

Pliny the Elder

c. 20 CE – 79 CE

Roman military commander and writer (AD23/24–79)

Cato the Elder

Ancient era

Cato the Elder

234 BCE – 149 BCE

Roman politician, soldier and writer (234–149 BC)