draws upon an overwhelming abundance of resources -- including a lengthy paper trail of previously unseen diaries, correspondence, notes, and manuscripts -- to disclose the compelling story of a great mind in the making. Frei identifies the bases of Morgenthau's ideas and clarifies many misconceptions, including Morgenthau's link with Augustinian thought, his relationship with Reinhold Niebuhr, and the impact of major thinkers such as Max Weber, Hans Kelsen, and Carl Schmitt on the scholar. He offers incontrovertible evidence of Friedrich Nietzsche's predominant influence on Morgenthau. Resoundingly praised in the original German, Hans J. Morgenthau is a brilliant life study that presents the first coherent picture of the European intellectual building blocks Morgenthau brought with him to America.