Hayek's career raises many puzzles and sometimes takes on the appearance of an endless trail of unresolved or only partly resolved issues. Hayek revisited (1993)
There were many Hayeks: Hayek, the political scientist; Hayek, the economist; Hayek, the philosopher of social science; Hayek, the psychologist. Even in these different roles, he played many parts. Hayek revisited (1993)