Scientists
The minds that decoded nature's laws.
records written

Medieval era
Paolo Toscanelli
April 21, 1397 – May 10, 1482
Florentine astronomer

Medieval era
Martin Behaim
October 6, 1459 – July 29, 1507
German navigator and geographer to the King of Portugal (1459–1507)

Medieval era
Luca Pacioli
1445 – 1517
Italian father of accounting (*~1445 – †1517)

Modern era
John Ball
August 20, 1818 – October 21, 1889
British politician, naturalist and Alpine traveller. (1818-1889)
Medieval era
Jacoba Felicie
b. c. 1300
Italian physician

Contemporary era
Roderic
b. February 19, 1956
American neuroscientist

Ancient era
Berossus
c. 400 BCE – c. 300 BCE
3rd-century BC Babylonian writer, priest and astronomer
Ancient era
Kidinnu
400 BCE – 330 BCE
Babylonian astronomer, possible creator of Babylonian System B ephemerides
Ancient era
Peseshet
c. 2500 BCE – c. 2500 BCE
Ancient Egyptian physician

Ancient era
Hesy-Ra
c. 2800 BCE – c. 2700 BCE
Ancient Egyptian dentist

Medieval era
Borzuya
c. 500 CE – c. 600 CE
Persian scientist

Modern era
Josiah
February 11, 1839 – April 28, 1903
American scientist (1839–1903)

Ancient era
Herophilos
335 BCE – 280 BCE
Greek physician (335–280 BC)

Ancient era
Erasistratus
c. 305 BCE – 249 BCE
Ancient Greek physician

Ancient era
Hero of Alexandria
10 CE – 75 CE
Ancient Greek mathematician and engineer

Ancient era
Pappus of Alexandria
290 CE – 350 CE
4th century Greek mathematician

Ancient era
Diophantus
c. 201 CE – 284 CE
3rd century Alexandrian Greek mathematician
Modern era
Khan Abdul Jabbar Khan
c. 1882 – May 9, 1958
Figure of the Indian Independence Movement and Pakistani politician

Modern era
Sir Ziauddin Ahmad
February 13, 1878 – December 23, 1947
Indian mathematician and philosopher (1873-1947)

Modern era
Ram Manohar Lohia
March 23, 1910 – October 12, 1967
Indian politician (1910–1967)

Modern era
Lakshmi Sahgal
October 24, 1914 – July 23, 2012
Officer in the Indian National Army (INA) and former presidential candidate of India
Modern era
Matiur Rahman (military pilot)
b. September 1, 1940
Indian physicist (1940-)

Modern era
Anandi Gopal Joshi
March 31, 1865 – February 26, 1887
One of the first Indian woman doctor (1865-1887)

Modern era
Kadambini Ganguly
July 18, 1862 – October 3, 1923
Indian physician (1862–1923)

Modern era
Rukhmabai
November 22, 1864 – September 25, 1955
One of the first practicing women doctors in colonial India.

Modern era
Muthulakshmi Reddy
July 30, 1886 – July 22, 1968
Indian physician, surgeon, women's rights activist, social reformer and legislator (1886–1968)
Modern era
Iyothee Thass
May 20, 1845 – 1914
Indian activist

Modern era
Mary Poonen Lukose
August 2, 1886 – October 2, 1976
Indian gynecologist, obstetrician and the first female Surgeon General in India.

Modern era
Verrier Elwin
August 29, 1902 – February 22, 1964
British anthropologist (1902-1964)

Modern era
Upendranath Brahmachari
December 19, 1873 – February 6, 1946
Indian physician (1873–1946)

Modern era
Yellapragada Subbarow
January 12, 1895 – August 9, 1948
Indian-American scientist
Modern era
Kamala Sohonie
June 18, 1911 – June 28, 1998
Indian biochemist (1911–1998)

Modern era
Asima Chatterjee
September 23, 1917 – November 22, 2006
Indian chemist (1917–2006)

Modern era
Anna Mani
August 23, 1918 – August 16, 2001
Indian meteorologist

Modern era
Janaki Ammal
November 4, 1897 – February 7, 1984
Indian botanist (1897-1984)

Modern era
Birbal Sahni
November 14, 1891 – April 10, 1949
Indian botanist (1891-1949)

Modern era
Prafulla Chandra Ray
August 2, 1861 – June 16, 1944
Bengali chemist, educationist, poet, historian, industrialist and philanthropist (1861–1944)

Modern era
Radhanath Sikdar
1813 – May 17, 1870
Indian mathematician

Modern era
Ruchi Ram Sahni
April 5, 1863 – June 3, 1948
First Indian metrologist , freedom fighter and activist (1863-1948)

Modern era
Shanti Swaroop Bhatnagar
February 21, 1894 – January 1, 1955
Indian chemist (1894–1955)

Modern era
Salim Ali
November 12, 1896 – July 27, 1987
Indian ornithologist (1896-1987)

Modern era
K. S. Krishnan
December 4, 1898 – June 14, 1961
Indian physicist (1898-1961)

Modern era
Meghnad Saha
October 6, 1893 – February 16, 1956
Bengali astrophysicist (1893–1956)
Modern era
Vainu Bappu
August 10, 1927 – August 19, 1982
Indian astronomer (1927-1982)
Modern era
G. N. Ramachandran
October 8, 1922 – April 7, 2001
Indian scientist (1922-2001)

Modern era
Sambhu Nath De
February 1, 1915 – April 15, 1985
Indian medical researcher (1915-1985)
Modern era
Dilip Mahalanabis
November 12, 1934 – 2022
Indian pediatrician (1934–2022)

Modern era
Prasanta Chandra Mahalanobis
June 29, 1893 – June 28, 1972
Indian scientist and statistician (1893–1972)

Modern era
M. S. Swaminathan
August 7, 1925 – September 28, 2023
Indian agronomist (1925–2023)

Modern era
Riazuddin
November 10, 1930 – September 9, 2013
Pakistani nuclear physicist (1930–2013)
Modern era
Ahmad Hassan Dani
June 20, 1920 – January 26, 2009
Pakistani intellectual, archaeologist, historian, and linguist (1920–2009)

Luke the Evangelist
d. 84 CE
One of the four evangelists

Ancient era
Saint Valentine
175 CE – February 14, 273 CE
3rd-century Roman Christian saint (175–273)

Ancient era
Anaximander
620 BCE – 547 BCE
Pre-Socratic Greek philosopher

Ancient era
Anaxagoras
500 BCE – 428 BCE
5th-century BC Greek philosopher

Ancient era
Empedocles
490 BCE – 430 BCE
5th century BC Greek philosopher

Ancient era
Aristarchus of Samos
310 BCE – 230 BCE
Greek astronomer and mathematician (c.310–c.230 BC)

Ancient era
Hipparchus
190 BCE – 120 BCE
2nd century Greek astronomer, geographer and mathematician

Ancient era
Pliny the Elder
c. 20 CE – 79 CE
Roman military commander and writer (AD23/24–79)

Ancient era
Cato the Elder
234 BCE – 149 BCE
Roman politician, soldier and writer (234–149 BC)