The great dean of the Austrian school of economics and “Mr. Libertarian”, Murray N. Rothbard (March 2, 1926-January 7, 1995)
Civilization and human existence are at stake, and to preserve and expand it, high theory and scholarship, though important, is not enough. Especially in an age of galloping statism, the classical liberal, the advocate of the free market, has an obligation to carry the struggle to all levels of society, to government, to the general public, to political parties.
Find the list of his works here