1921 – 2002
John Rawls was an American political philosopher widely regarded as the most influential political philosopher of the 20th century. His landmark work, A Theory of Justice (1971), revitalized normative political philosophy by offering a systematic liberal egalitarian alternative to utilitarianism grounded in a social contract framework.
Developed the theory of justice as fairness
Introduced the 'original position' and 'veil of ignorance' thought experiments
Formulated the two principles of justice, including the difference principle
Authored Political Liberalism (1993), refining his theory around reasonable pluralism
Wrote The Law of Peoples (1999), extending justice to international relations