Though famous for his novel, Adolphe, Constant is also known in the English-speaking world for his writings on liberal constitutionalism.

A. V. Dicey, a prominent British legal philosopher, established in his writings the basic principles for the rule of law under a legitimate constitution.

A prominent Enlightenment thinker, Denis Diderot’s writings on freedom of thought, religion, and speech bring him to the attention of libertarians today.

Dunoyer played a major role in the French classical liberal movement. He wrote on law, society, and the benefits of free markets and limited government.

Epstein is a prominent legal scholar whose work on eminent domain and government intervention has influenced major court decisions in the last 50 years.

Fisher made an important contribution to the libertarian movement by creating liberty-advancing public policy think tanks active around the globe.

Friedman is a prominent intellectual whose critical writings on economics, law, and the state have contributed to the advancement of libertarian ideas.

The winner of the Nobel Prize in 1976, Milton Friedman was a recent leading economist who advocated free market liberalism through public policy.

Garrison, known as the editor of the anti-slavery newspaper Liberator, was an outspoken and radical leader for the abolitionist movement.

The former prime minster of the United Kingdom, Gladstone was a statesman advocating a platform of limited government and free-market economics.

Barry Goldwater’s stark commitment to a platform of freedom and limited government helped to realign public opinion in support of economic conservatism.

An accomplished libertarian writer and the founder of the Institute for Humane Studies, Harper devoted his life to educating others about libertarianism.

Hayek was one of the most prominent economists and philosophers supporting free-market economics and individualism; his work is often discussed today.

Heinlein, author of a number of fundamental science fiction novels, provided an eerily relevant social critique of the overreach of government.

A staunch defender of property rights and opponent to forced redistribution, Auberon Herbert contributed several major works to classical liberalism.

An activist and author involved in both the conservative and libertarian movements, Hess opposed taxation and promoted neighborhood self-sufficiency.

Thomas Hobbes’ preeminent work, Leviathan, remains one of the major works in the philosophy of government formation.

The first presidential candidate of the Libertarian party, John Hospers played an important role in organizing libertarians for political action.