Roy. A Childs, a writer and speaker of the libertarian movement in the 1960s and 1970s, also made popular the anarcho-capitalist movement of libertarian thought.
A writer and thinker during the 20th century, Frank Chodorov added significantly to libertarian thought and the theory of individualism.
Cicero, a great early writer and orator, articulated a universal legal order that was to become foundational for the natural law tradition.
The 1980 Libertarian party presidential candidate, Ed Clark is a public figure for the libertarian movement who played an important role popularizing it.
The work of Ronald H. Coase, most famously the concept known as Coase’s theorem, has provided insight to law, economics, and how they intersect.
One of the leaders of the Anti-Corn Law League, Richard Cobden is considered an example of a liberal thinker with considerable success in changing British policy.
Charles Comte, politician and prominent writer, was a principle figure in promoting classical liberalism in France in the early 19th century.
An advocate for enlightenment and liberal reforms, Marquis de Condorcet had a brief but eventful influence as part the French Revolutionary government.
Though famous for his novel, Adolphe, Constant is also known in the English-speaking world for his writings on liberal constitutionalism.