Werner Eck is Professor of Ancient History at Cologne University. He is one of the foremost Roman imperial historians in the world and his publications include Die Verwaltung des römischen Reiches in der Hohen Kaiserzeit (1995, 1998), Das senatus consultum de Cn. Pisone patre (with A. Caballos and F. Fernández, 1996), Tra epigrafia, prosopografia e archeologia: Scritti scelti, rielaborati ed aggiornati (1996) and Das römische Köln. Geschichte einer Stadt im Rahmen des Imperium Romanum (2004). He is co-editor of the Zeitschrift für Papyrologie und Epigraphik.