René Descartes: Rationalism and Meditations on First Philosophy

Anaximander: Secrets of the First Scientist in History

Adam Smith: The Father of Modern Economics

Diogenes: The Cynic Who Lived in a Barrel

Empedocles: The Four Elements and Cosmic Cycles

Montesquieu: The Spirit of Laws Revisited

Philosophers of Knowledge and Thought: Exploring the Interplay of Language, Knowledge, and Reality (3 in 1)

Ayn Rand: Objectivism and the Virtue of Selfishness

Democritus: Atoms and the Birth of Materialism

Philosophers of Language and Knowledge: How Language, Perception, and Thought Shape Reality (2 in 1)

Philosophers of Individual Rights and Society: The Role of Rights, Ethics, and Political Thought in Human Society (3 in 1)

Foundational Existential Thinkers: Early Reflections on Freedom, Existence, and Meaning (2 in 1)

Kierkegaard: Existentialism and the Leap of Faith

Socrates: Philosophy and the Examined Life

Zeno: Greek Philosophy and the Paradoxes of Motion

Thales: Thoughts and Ideas from the First Philosopher

John Stuart Mill: Theories about the Economy and Utilitarianism

Pre-Socratic Thinkers: The Birth of Philosophical Thought and Early Naturalism (5 in 1)

Ethics and Human Nature: Humanism, Morality, and the Nature of Existence (5 in 1)

Pythagoras: The Philosopher of Numbers and the Universe