Karin Leitner-Ruhe

Art historian; since 2013 chief curator of the Alte Galerie at the Universalmuseum Joanneum (UMJ) in Graz; since 1992 employed in the Joanneum; curator for the Medieval Collection and Graphic Collection in the Alte Galerie; curator of numerous graphics exhibitions; since 1995 lecturer in the Department of Art History at the University of Graz; 2002–04 lecturer in the Department of Art History at the Graz University of Technology; since 1998 provenance research at the UMJ; 2003–13 part-time position; 2003–18 member of the Arbeitskreis Provienzforschung; co-editor of 2010 restitution report at the UMJ and numerous other publications on provenance research at the UMJ, on medieval art in Austria and Slovenia, and on Styrian graphic prints and works in the Graphic Collection.

Leo Bokh studied art history, archaeology, history, German and musicology in Vienna and Graz. While still a student he joined the Cartellverband.

The Joanneum was founded in 1811 by Archduke Johann together with the Styrian estates as the "Innerösterreichisches Nationalmuseum" ("Inner Austrian National Museum").