Felix Heinzer, Dr. theol. (1979), University of Fribourg/Switzerland; 1988-2005 Head of the Manuscript Department of Württembergische Landsbibliothek Stuttgart; since 2005 Professor of Mediaeval Latin at the University of Freiburg (Germany). He has published extensively on codicology and library history as well as on the history of mediaeval liturgy and monastic reform, including 900 Jahre Kloster Lorch (Stuttgart 2003).