This colloquium examines a number of major 20th-century social and political theorists. Thinkers might include Hannah Arendt, Jurgen Habermas, John Rawls, Franz Fanon, Ludwig Von Mises, Frank Knight, Milton Friedman, and Michel Foucault. The colloquium will be framed around some central concepts of social and political analysis within their historical context. Topic areas might include human rights, the public and private sphere, human action and social structure, freedom, and the nature of politics. In addition, the colloquium will explore the various ways the social sciences have employed key concepts and have interpreted the self-understanding of social actors.