Ayn Rand remains one of the best-known and most influential individualist writers, credited with developing the philosophy of Objectivism.
John Rawls was a political theorist who revived interest in the field. Though not libertarian, his work can be interpreted in support of some free-market ideas.
Leonard E. Read was an activist who founded the Foundation for Economic Education, a free-market and anti-socialist nonprofit and educational organization.
David Ricardo was an influential economist whose contributed both important free-market theories and dismal predictions about the value of labor.
Murray Rothbard’s writings provided a detailed and systematic explanation of politics, society, and economics consistent with libertarian ideas.
Jean-Jacques Rousseau is regarded as a great political philosopher and contractarian, though his ideas for society often rely on a basis of coercive liberty.
Wilhelm Röpke was a German economist who wrote in favor of a decentralized economy and held a strong anti-Keynesian and conservative position.