Thierry Delcourt earned a doctorate in literary studies and was the former head of the Bibliotheque municipale of Troyes (now the Mediatheque de l'Agglomeration troyenne). He has been director of the Department of Manuscripts at the Bibliotheque nationale de France since 2006 and is the curator of the exhibition La legende du roi Arthur, BnF, October 2009. His books include Les croisades, la plus grande aventure du Moyen Age, and La litterature arthurienne.