F.A. von Hayek is considered one of the most significant economists of the past century, whose work has had a profound impact not only in economics but also in the social sciences. The essays compiled in this volume provide the reader with a representative overview of the central themes that F.A. von Hayek addressed during the six decades of his active scientific career. The selected contributions deal with fundamental epistemological and methodological issues in the social sciences, highlight the historical background of current theoretical controversies, address fundamental questions regarding a theory of social order and the development of social institutions, and examine the possibilities and limitations of consciously shaping economic and social conditions.