Murray Rothbard (1926-1995) was a libertarian economist who extended the Austrian School of Economics to broader opposition to government. For example, Rothbard defended large, private firms (unlike many economists, Rothbard rejected the idea of free market monopolies). Murray Rothbard coined the term "anarcho-capitalism" and is considered the founder of anarcho capitalism and paleolibertarianism. Murray Rothbard was a friend of Ron Paul and supported Ron Paul's 1988 presidential campaign on the libertarian party ticket.
Rothbard is praised by the Ludwig von Mises Institute, which continues to promote his work. Three of Rothbard's most famous books are For a New Liberty, Man, Economy and State, and The Ethics of Liberty.