dr. K.J. (Karl) Heidecker

Dr. Karl J. Heidecker studied History at the University of Amsterdam and the Université Paris I (Panthéon-Sorbonne). Thereafter he worked as an assistent at the University of Amsterdam, where in 1997 he acquired his doctorate with the thesis Kerk, huwelijk en politieke macht. De zaak Lotharius II (855-869) Church, marriage and political power. The case of Lothar II (855-869). Since 1997 he took, as postdoc at theUniversity of Utrecht, part in the “Pionierproject” Communication in the Earlier Middle Ages (ca.400-ca.1200), with the subject Early medieval judicial practice. Since September 2000 he teaches at the University of Groningen.

He is, since 2004 also Projektmitarbeiter at the St.-Gall-Project of the Institut für Erforschung des Mittelalters der Oesterreichischen Akademie der Wissenschaften, editing the early charters of the St.-Gall-archive and composing a collaborative overview of carolingian private charters. (http://www.oeaw.ac.at/gema/wittg_pro/wittg_pro_mehr.htm and http://www.sg.ch/home/kultur/stiftsarchiv/publikationen.html ) Since 2006 he also collaborates on the Chartae Burgundiae Medii Aevi of the Centre National de la Recherche Scientifique (CNRS) UMR 5594 (Dijon)/ Centre d’Études Mediévales (Auxerre) which makes available in an on-line-edition all charters from Burgundy up to the year 1300 ( www.archeologie-cultures-societes.cnrs.fr/recherche/CBMA.htm ).

In 2007 he lectured as maître de conférence invité at the Ecole Pratique des Hautes Etudes, section historique et philologique in Paris.

 Since 2012 membership of the International advisory board of the research project The Making of Charlemagne's Europe. 768-814 at King's College London funded by the AHRC.

2013: guest researcher at the Institut für Mittelalterforschung der Österreichischen Akademie der Wissenschaften, Abteilung Historische Identitätsforschung, Vienna.