John Rawls (1921-2002) was an American political philosopher, widely regarded as the most important political philosopher of the twentieth century. He was born in Baltimore, Maryland, and studied at Princeton University. He served in the Pacific during the Second World War, an experience that shook his earlier religious faith and deepened his concern with questions of justice: he witnessed the bombing of Hiroshima from close range and refused a commission that would have required him to participate in such actions again. He spent most of his academic career at Harvard University, where he taught from 1962 until his retirement. His major work, A Theory of Justice, published in 1971, transformed academic political philosophy and became one of the most discussed books of the century. In it he developed a systematic theory of justice grounded in the idea of a social contract among free and equal citizens choosing principles of justice from behind a veil of ignorance. His later work, Political Liberalism (1993) and The Law of Peoples (1999), developed and revised his ideas in response to criticism. He died in 2002.
Rawls matters because he revived and transformed political philosophy at a time when it had become relatively marginal in anglophone academic culture, dominated by purely analytical philosophy and economics. His Theory of Justice provided a rigorous philosophical foundation for thinking about what a just society requires that was both intellectually serious and practically relevant. His core arguments — that justice requires fairness, that inequalities are only justified if they benefit the least advantaged, and that basic liberties must be protected for all — gave philosophical grounding to commitments that many people held intuitively but could not fully articulate. He also matters for his method: the veil of ignorance thought experiment is one of the most powerful and accessible tools in political philosophy for thinking about fairness. His work has shaped debates in law, economics, public policy, and political theory across the world, and his framework remains the most influential liberal theory of justice available.
Samuel Freeman's Rawls (2007, Routledge) is the most accessible scholarly overview.
The first few chapters of A Theory of Justice are the most accessible and set out the core argument.
Michael Sandel's Justice: What's the Right Thing to Do? (2009, Farrar Straus and Giroux) examines Rawls alongside other theories of justice in an accessible way.
A Theory of Justice (1971, Harvard University Press) is the primary text; the revised edition (1999) incorporates later revisions.
Robert Nozick's Anarchy, State and Utopia (1974, Basic Books) is the most important libertarian response.
Michael Sandel's Liberalism and the Limits of Justice (1982, Cambridge University Press) is the most accessible and most important.
Rawls argued for complete equality of outcomes.
Rawls explicitly did not argue for complete equality. His difference principle allows for inequalities: it says inequalities are permissible when they benefit the worst-off members of society. A system with incentives that produces greater overall prosperity, including for the worst-off, can be just even though it is unequal. What is not permissible under Rawls is inequality that benefits only the wealthy while leaving the worst-off worse off than they would be in a more equal arrangement.
The veil of ignorance requires us to ignore everything we know about people.
The veil of ignorance is a thought experiment for choosing principles of justice, not a requirement for actual social policy. Behind the veil, people are not required to ignore all knowledge — they know general facts about economics, psychology, and social organisation. What they do not know is their particular position in the society those principles will govern. The thought experiment is a device for achieving impartiality in the choice of principles, not a model for how to run a society.
Rawls's theory is purely abstract and has no practical implications.
Rawls's theory has had extensive practical influence on debates about taxation, healthcare, education, welfare policy, and constitutional law. The difference principle provides a principled basis for asking whether any social arrangement benefits the worst-off as much as feasible alternatives. His first principle provides a philosophical foundation for constitutional protections of basic liberties. His concept of public reason has influenced debates about how courts and legislators should justify their decisions in pluralist democracies.
Rawls's theory is a defence of the status quo in Western liberal democracies.
Rawls's theory is deeply critical of existing arrangements in Western societies. He argued that significant inequalities in wealth and opportunity violated the difference principle because they did not benefit the worst-off as much as feasible alternatives would. He was critical of what he called the system of natural liberty — the view that whatever results from free market transactions is just — precisely because it ignores the role of morally arbitrary natural talents and social circumstances in determining outcomes. His theory provides grounds for demanding much more substantial redistribution and equality of opportunity than most Western societies actually provide.
Political Liberalism (1993, Columbia University Press) develops the later theory of overlapping consensus and public reason.
Samuel Freeman's edited Cambridge Companion to Rawls (2003) is the best single scholarly reference.
Thomas Pogge's Realizing Rawls (1989, Cornell University Press) and Charles Beitz's Political Theory and International Relations (1979, Princeton University Press) both extend Rawlsian justice to the global level.
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