The book "F. A. Hayek" offers a comprehensive analysis of the life and works of Friedrich Hayek, a significant Austrian-British economist and social philosopher. In light of the recent financial crisis and the renewed interest in Hayek's ideas, particularly in the context of the Hayek-Keynes debate, central themes of his thought are presented. These include the distribution of knowledge, the importance of rules, the challenges of planning and economic management, as well as the role of constitutional constraints that allow for the emergence of spontaneous order in the market. Hayek's approach emphasizes how individual actions and responsibilities can lead to effective coordination of behavior under appropriate institutional frameworks. This book is aimed at anyone seeking a deeper understanding of this influential thinker in 20th-century economics.