Friedrich Hayek and Michael Polanyi in correspondence

Friedrich Hayek and Michael Polanyi corresponded with each other for the best part ofthirty years. They had shared interests that included science, social science, economics,epistemology, history of ideas and political philosophy. Studying their  correspondenceand related writings, this article shows that Hayek and Polanyi were committedLiberals but with different understandings of liberty, the forces that endanger liberty,and the policies required to rescue it.