The World’s Leading Biography Database

Top 20 Most Influential Scientists in History

Albert Einstein

Theoretical Physicist

Sigmund Freud

Neurologist, Psychoanalyst

The Father of Psychoanalysis

Friedrich Nietzsche

Philosopher, Writer

One of the most influential and provocative philosophers in the history of Western thought

Carl Jung

Psychiatrist

Founder of Analytical Psychology

Karl Marx

Philosopher, Economist, Political Theorist

Immanuel Kant

Philosopher

Founding Figure of German Philosophy and Pioneer of Critical Philosophy

Galileo Galilei

Physicist, Astronomer, Philosopher

Carl Sagan

Astronomer, Author

A pioneering astronomer and astrobiologist who helped bring science to the public and advanced the search for extraterrestrial intelligence.

Charles Darwin

Naturalist, Biologist

The Father of Evolutionary Biology

Isaac Newton

Scientist, Mathematician

Stephen Hawking

Theoretical Physicist, Professor, Author

One of the greatest theoretical physicists after Albert Einstein; a pioneer of black hole physics and cosmology.

Alan Turing

Mathematician, Cryptologist, Computer Scientist

Founding Father of Computer Science & Codebreaker of World War II

Copernicus

Astronomer, Mathematician, Physician

Leonardo da Vinci

Painter, Sculptor, Architect, Scientist

Marie Curie

Physicist, Chemist

Michel Foucault

Philosopher, Social Theorist

French philosopher who profoundly transformed modern thought through his analyses of madness, knowledge, and power

Nikola Tesla

Physicist, Engineer

Aristotle

Philosopher, Scientist

Plato

Greek philosopher