Postal Address: IPN    Leibniz Institute for Science and Mathematics Education Olshausenstrasse 62 D-24118 Kiel Germany   How to reach the IPN Managing Director: Prof. Dr. Olaf Köller Main Office at the IPN: email:  Tel:  +49 431 880 5084 Administrator: Bent Hinrichsen --> Public Relations: Dr. Ute Ringelband Tel: +49 431 880 3122 Internet presentation: email:  IPN Staff

Departments Tel.: email: Biology Education +49 431 880 7206 Chemistry Education +49 431 880 3125 Educational Science +49 431 880 3111 Mathematics Education 0431 - 880 5133 Physics Education +49 431 880 3147 Research Methodology +49 431 880 3097

Addresses for Journals and Books ZfDN - Zeitschrift für die Didaktik der Naturwissenschaften (in German) +49 431 880 3103 ZfDN Redaktion IPN-Blätter (in German) +49 431 880 3110 Heidrun Petersen Books published at the IPN +49 431 880 5140 Gerda Mahnke