Thomas F. Madden is Professor of History and Director of the Center for Medieval and Renaissance Studies at Saint Louis University.  As an author and historical consultant he appears in such venues as the New York Times, Washington Post, Wall Street Journal, CNN, and The History Channel.

Dr. Madden's latest book is The Fall of Republics: A History from Ancient Carthage to the American Constitution, which will be released in June 2026 by Princeton University Press.

His previous books include Venice: A New History, The Concise History of the Crusades, Istanbul: City of Majesty at the Crossroads of the World, Empires of Trust, and Enrico Dandolo and the Rise of Venice. He has also written and lectured extensively on the ancient and medieval Mediterranean as well as the history of Christianity and Islam. 

Awards for his scholarship include the National Endowment for the Humanities Public Scholar Award, the Medieval Academy of America's Haskins Medal, and the Medieval Institute's Otto Grundler Prize. He is a Fellow of the John Simon Guggenheim Foundation, the American Council of Learned Societies, and the Medieval Academy of America.

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