This document provides biographical information on influential classical liberal thinkers Friedrich Hayek and Ludwig von Mises. It discusses their major works and key ideas. Hayek focused on topics like spontaneous order, the limits of knowledge and planning, and the importance of the rule of law and individual liberty. Mises wrote extensively on economics, socialism, and interventionism. He emphasized the role of consumers in a market economy and that government intervention inevitably leads to distortion. The document also briefly discusses other classical liberals like Adam Smith, their works, and some of their central ideas around free markets, private property and limited government.