#11

Aristotle

Father of Western Science and logic.

#12

Plato

Foundational text for political science and idealism (The Republic).

#13

Socrates

Developed the Socratic method and critical inquiry.

#14

Karl Marx

Founder of Marxism; inspired socialism and communism.

#15

Adam Smith

Father of Modern Capitalism; wrote The Wealth of Nations.

#16

John Locke

Pioneered natural rights (life, liberty, property).

#17

Niccolò Machiavelli

Pioneered political realism and pragmatic power.

#18

Jean-Jacques Rousseau

Defined the Social Contract and modern democracy.

#19

Thomas Hobbes

Argued for strong central government (Leviathan).

#20

Voltaire

Champion of free speech and separation of church and state.

#21

Mary Wollstonecraft

Pioneer for women's rights and gender equality.

#22

Sigmund Freud

Founder of psychoanalysis; explored the subconscious.

#23

Friedrich Nietzsche

Critiqued traditional morality; influenced existentialism.

#24

Simone de Beauvoir

Foundational figure for modern second-wave feminism.

#25

Montesquieu

Developed the theory of separation of powers.