Hans MorgenthauHans Joachim Morgenthau (February 17, 1904 – July 19, 1980) was a German-American jurist and political scientist. He was one of the major twentieth-century figures in the study of international relations. Morgenthau's works belong to the tradition of realism in international relations theory, and he is usually considered among the most influential realists of the post-World War II period. Morgenthau made landmark contributions to international relations theory and the study of international law. His ''Politics Among Nations'', first published in 1948, went through five editions during his lifetime and was widely adopted as a textbook in U.S. universities. While Morgenthau emphasized the centrality of power and "the national interest," the subtitle of ''Politics Among Nations'' -- "the struggle for power and peace" -- indicates his concern not only with the struggle for power but the ways in which it is limited by ethics, norms, and law.
In addition to his books, Morgenthau wrote widely about international politics and U.S. foreign policy for general-circulation publications such as ''The New Leader'', ''Commentary'', ''Worldview'', ''The New York Review of Books'', and ''The New Republic''. He knew and corresponded with many of the leading intellectuals and writers of his era, such as Reinhold Niebuhr, George F. Kennan, Carl Schmitt and Hannah Arendt. At one point in the early Cold War, Morgenthau was a consultant to the U.S. Department of State when Kennan headed its Policy Planning Staff, and a second time during the Kennedy and Johnson administrations until he was dismissed by Johnson when he began to publicly criticize American policy in Vietnam. For most of his career, however, Morgenthau was esteemed as an academic interpreter of U.S. foreign policy. Provided by Wikipedia