Leo Strauss and Eric Voegelin were political theorists of the first rank whose impact on the study of political science in North America has been profound. A study of their writings is one of the most expeditious ways to explore the core of political science; comparing and contrasting the positions both theorists have taken in assessing that core provides a comprehensive appreciation of the main options of the Western tradition.In fifty-three recently discovered letters, Strauss and Voegelin explore the nature of their similarities and differences, offering trenchant observations about one another's work, about the state of the discipline, and about the influences working on them. The correspondence fleshes out many assumptions made in their published writings, often with a frankness and directness that removes all vestiges of ambiguity. Included with the correspondence are four pivotal re-published essays-Jersualem and Athens: Some Preliminary Reflections (Strauss), The Gospel and Cul