Humboldt-Universität zu Berlin | Faculty of Life Sciences | Department of Psychology | Employee | Dr. Steffen Landgraf | Dipl.-Psych. Steffen Landgraf Dipl.-Psych. Steffen Landgraf Visiting address Rudower Chaussee 18 , Room 3'213 Phone number (030) 2093 9360 Fax (030) 2093 9361 Mailing address 1