One of the major debates over the U.S. Constitution was between the Federalists and Anti-Federalists, largely over the role of the states and a Bill of Rights.
Adam Ferguson’s writings, notably his Essay on the History of Civil Society, provided an important analysis of how social institutions form.
Sir Antony Fisher made an important contribution to the libertarian movement by creating liberty-advancing public policy think tanks active around the globe.
One of the best-known writers of the 20th cent., Michel Foucault criticized overreaching authority structures as well as state and social coercion.
David 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.