Jonas Grethlein is Professor in Classics at Heidelberg University. He is the author of The Greeks and their Past: Poetry, Oratory and History in Fifth-Century Greece (Cambridge, 2010).
Christopher B. Krebs is Associate Professor of Classics at Harvard University, Massachusetts, co-chair of the Classical Traditions Seminar at the Humanities Center and Professeur Invité at the Ecole Normale Supérieure. He is the author of, most recently, A Most Dangerous Book: Tacitus' Germania from the Roman Empire to the Third Reich (2011).