From 1966 to 1972, he studied German studies, History, Philosophy and Education at Saarland University. He obtained his doctorate in 1974.[1]
From 1974 to 1984 he worked there as an assistant lecturer and in 1983 he obtained his habilitation in Modern history with a dissertation on Catholics in the German Empire: Political Catholicism in the Crisis of Wilhelminian Germany.[1]
From 1984 to 1985 he was Professor of Political Science at the Free University of Berlin, then Professor of Political Science at the University of Münster from 1985 to 1986.[1]
From 1986 to 2014 he was Professor of Modern History at the University of Essen.[1]
From 1993 to 1997, Loth was President of the Institute for Advanced Studies in the Humanities (Kulturwissenschaftliches Institut) in Essen at the North Rhine-Westphalia Academic Centre.[1][2]
From 2012 to 2014 he was President of the Franco-German Committee of Historians.[1]
In 2013 he was awarded an honorary doctorate from the Babeș-Bolyai University in the Roumanian town of Cluj-Napoca.[1]
His major academic interests include:[3] the history of Catholicism and of Socialism, the history of the German Empire, the history of France in the twentieth century, the history of the Cold War, and the history of European integration.
One of his controversial positions is that on the Stalin Note of 1952, which he regarded as more serious than the majority of historians.
Loth, Wilfried (1998). "Hallstein und de Gaulle: the Disastrous Confrontation". In Loth, Wilfried; Wallace, William; Wessels, Wolfgang (eds.). Walter Hallstein: The Forgotten European?. Forewords by Jacques Delors, Sir Edward Heath, and Helmut Kohl; translated from the German by Bryan Ruppert. New York: St. Martin's Press. pp. 135–150. ISBN978-031221293-3.
Die Teilung der Welt. Geschichte des Kalten Krieges 1941–1955, new revised edition, dtv, Munich 2000, ISBN3-423-30756-0. (standard work, first published 1980)
Stalins ungeliebtes Kind. Warum Moskau die DDR nicht wollte [Stalin's Unwanted Child: Why Moscow Didn't Want the GDR], (in German)Rowohlt, Berlin 1994 ISBN3-87134-085-5
Das Kaiserreich. Obrigkeitsstaat und politische Mobilisierung, dtv, Munich 1996, ISBN3-423-04505-1
Die Sowjetunion und die deutsche Frage. Studien zur sowjetischen Deutschlandpolitik von Stalin bis Chruschtschow, Vandenhoeck & Ruprecht, Göttingen 2007, ISBN3-525-36298-6
States and the Changing Equations of Power, in Global Interdependence: The World After 1945, Akira Iriye, ed. (Cambridge, MA: Harvard University Press, 2014).
^ ab"Prof. Dr. Wilfried Loth". historicum.net (in German). historicum.net - Geschichtswissenschaften im Internet e.V. bei Bayerische Staatsbibliothek. Retrieved 22 September 2015.