A philosopher is a person who studies philosophy using logic and reason.

The Greeks Founded the Basis of Utilitarianism and Consequentialism


Although we can consider Jeremy Bentham the founder of modern Utilitarianism, and his successor John Stuart Mill the one who popularized it, early Greek philosophers like Aristotle, Aristippus and Epicurus presented the original Utilitarian / Consequentialist / Greatest Happiness theories.

Many Philosophers Were Historians


Many past political, economic, and social philosophers were historians. This includes Locke, Hume, Keynes, Hegel, Ciciero, Marx, Mises, Aristotle, Kant, Smith, Plato, Machiavelli, Montesquieu, Engels, Rousseau, Hobbes, etc.

John Locke is the Father of Liberalism


locke two treatises of government

John Locke can be considered the father of liberalism. His theories on life, liberty, property, consent, and the social contract form the foundation of classical liberalism.