Isaac Newton

💡 Laws of motion & gravity

🗓️ 1643–1727

Albert Einstein

💡 Theory of relativity, E=mc²

🗓️ 1879–1955

Marie Curie

💡 Radioactivity

🗓️ 1867–1934

Michael Faraday

💡 Electromagnetism

🗓️ 1791–1867

Nikola Tesla

💡 Alternating current (AC)

🗓️ 1856–1943

Richard Feynman

💡 Quantum electrodynamics

🗓️ 1918–1988

Dmitri Mendeleev

💡 The Periodic Table

🗓️ 1834–1907

Antoine Lavoisier

💡 Father of modern chemistry

🗓️ 1743–1794

Rosalind Franklin

💡 DNA structure imaging

🗓️ 1920–1958

Linus Pauling

💡 Chemical bonds

🗓️ 1901–1994

Alfred Nobel

💡 Dynamite & the Nobel Prizes

🗓️ 1833–1896

Charles Darwin

💡 Theory of evolution

🗓️ 1809–1882

Gregor Mendel

💡 Genetics & heredity

🗓️ 1822–1884

Louis Pasteur

💡 Germ theory & vaccines

🗓️ 1822–1895

Jane Goodall

💡 Chimpanzee behaviour

🗓️ 1934–present

Carl Linnaeus

💡 Naming living things

🗓️ 1707–1778

Galileo Galilei

💡 Telescopic astronomy

🗓️ 1564–1642

Nicolaus Copernicus

💡 Sun-centred solar system

🗓️ 1473–1543

Edwin Hubble

💡 Expanding universe

🗓️ 1889–1953

Johannes Kepler

💡 Laws of planetary motion

🗓️ 1571–1630

Carl Sagan

💡 Popularising astronomy

🗓️ 1934–1996

Pythagoras

💡 Pythagorean theorem

🗓️ ~570–495 BCE

Euclid

💡 Geometry

🗓️ ~300 BCE

Ada Lovelace

💡 First computer programmer

🗓️ 1815–1852

Alan Turing

💡 Foundations of computing

🗓️ 1912–1954

Katherine Johnson

💡 NASA orbital calculations

🗓️ 1918–2020

Alexander Fleming

💡 Penicillin

🗓️ 1881–1955

Edward Jenner

💡 First vaccine

🗓️ 1749–1823

Florence Nightingale

💡 Modern nursing

🗓️ 1820–1910

Jonas Salk

💡 Polio vaccine

🗓️ 1914–1995

Hippocrates

💡 Father of medicine

🗓️ ~460–370 BCE

Thomas Edison

💡 Light bulb, phonograph

🗓️ 1847–1931

Leonardo da Vinci

💡 Inventor & artist

🗓️ 1452–1519

Alexander Graham Bell

💡 The telephone

🗓️ 1847–1922

The Wright Brothers

💡 First powered flight

🗓️ 1871–1948

Tim Berners-Lee

💡 The World Wide Web

🗓️ 1955–present