Joshua L. Cherniss is the author of A Mind and its Time: The Development of Isaiah Berlin's Political Thought (2013), and of journal articles and book chapters on Berlin, Reinhold Niebuhr, Max Weber, and other twentieth-century political thinkers. He has been a Laurence S. Rockefeller Visiting Faculty Fellow at the University Center for Human Values, Princeton University, and a Graduate Fellow at the Center for European Studies and the Safra Center for Ethics, both at Harvard University. He is currently an Assistant Professor of Government at Georgetown University, Washington DC.