Institute Management / Administration Institute Director Prof. Dr. Ricardo Mata Room 4.125 Tel. +49(551) 39-23149 Fax: +49(551) 39-19070 rmata@gwdg.de Manager Dr. Markus Hold Room 0.116 Tel. +49(551) 39-33101 Fax: +49(551) 39-33144 mhold@gwdg.de Secretary Marion Diegmann Room 0.117 Tel. +49(551) 39-33102 Fax: +49(551) 39-33144 mdiegma@gwdg.de