SIGs' OFFICERS

	Chair	Co-chair	Secretary
SIG1 MACROMOLECULAR CRYSTALLOGRAPHY	Keith Wilson York Structural Biology Laboratory University of York, Heslington, York, UK. YO10 5DD Phone: +44(01904) 328262	Matthias Bochtler Cardiff School of Chemistry Cardiff University, Main Building,Park Place, Cardiff CF10 3AT, UK	Wolf-Dieter Schubert Molecular Host-Pathogen Interactions (MHPI) Division of Structural Biology (SB) Helmholtz-Centre for Infection Research (HZI) Inhoffenstr. 7 38124 Braunschweig Germany Phone: +49 531 61817043 Fax: +49 531 61817099
SIG2 CHARGE, SPIN AND MOMENTUM DENSITY	Bo Brummerstedt Iversen Department of Chemistry and Interdisciplinary Nanoscience Center (iNANO) University of Aarhu DK-8000 Arhus C, Denmark Phone: +45 8942 3969 Fax: +45 8619 6199 Website	Ullrich Pietsch Universität Siegen Walter-Flex-Str. 3 D-57068 Siegen, Germany Phone: +49 271 7403755 Fax: +49 271 7403763 Website	Carlo Gatti ISTM-CNR,Dept Physical Chemistry Via Golgi 19 Milano, 20133, Italy Phone: +39.02.50134277 Fax : +39.02.50134300 Website
SIG3 APERIODIC CRYSTALLOGRAPHY Website	Gervais Chapuis Laboratoire de cristallographie EPFL Cubotron 1015 Lausanne, Switzerland		Michal Dusek Institute of Physics, Academy of Sciences Cukrovarnicka 10 16253 PRAHA, Czech Republic
SIG4 ELECTRON CRYSTALLOGRAPHY Website	Thomas E. Weirich Gemeinschaftslabor für Elektronenmikroskopie (Central Facility for Electron Microscopy) Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen (Aachen University) Ahornstrasse 55, D-52074 Aachen, Germany Phone: +49-241-8024349 Fax: +49-241-8022313 Website		Ute Kolb Institut fur Physikalische Chemie Johannes Gutenberg-Universitat Mainz Welderweg 11 55099 Mainz Germany Tel.: 0049 6131 3924154 Fax: 0049 6131 3923768 Website
SIG5 MINERALOGICAL CRYSTALLOGRAPHY MC Website	Wulf Depmeier Institut für Geowissenschaften Universität Kiel D-24098 Kiel, Germany Phone.: +49 431 880 2839 Fax.: +49 431 880 4457 Website	Artem R. Oganov Lab. of Crystallography, ETH Zurich CH-8092 Zurich, Switzerland Phone.: +41-1-632-3752 Fax: +41-1-632-1133 Website	Massimo Nespolo LCM3B Université Henri Poincaré Nancy 1 B.P. 239 54506 Vandoeuvre-lès-Nancy Cedex France Phone: +33-383-684885 Fax: +33-383-406492 Website
SIG6 IET INSTRUMENTATION AND EXPERIMENTAL TECHNIQUES	Jean-Louis Hodeau Institut NEEL, CNRS, BP 166X , F-38042 GRENOBLE Cedex, France	Naomi Chayen Faculty of Medicine, Imperial College London Phone +44 (0)20 7594 3240	Gernot Heger Department of Crystallography RWTH Aachen
SIG7 MIR MOLECULAR INTERACTION AND RECOGNITION	Roland Boese Institut für Anorganische Chemie, Universität Essen Universitätstraße 5-7 D-45117 Essen, Germany Phone: +49-201-183-2416	Susan Bourne Department of Chemistry University of Cape Town Private Bag Rondebosch, 770 South Africa	Paola Gilli Dipartimento di Chimica Università di Ferrara Via L. Borsari 46 I-44100 Ferrara, Italy Phone: +39-0532-291-141
SIG8 POWDER DIFFRACTION Website	Jordi Rius Institut de ciència de materiales de Barcelona - CSIC Phone: +34-935 801 853 Fax: +34-935 805 729 Website	Paolo Scardi Department of Materials Engineering and Industrial Technologies University of Trento Via Mesiano 77, I-38050 Trento, Italy Phone: +39 0461 882417/67/22 Fax: +39 0461 881977 Website
SIG9 COM CRYSTALLOGRAPHIC COMPUTING Website	Ton Spek Bijvoet Center for Molecular Research Padualaan 8 3584 CH Utrecht The Netherlands	Lachlan Cranswick Canadian Neutron Beam Centre National Research Council Canada Building 459, Chalk River Laboratories Chalk River ON, Canada, K0J 1J0
SIG10 X-RAY DIFFRACTION PHYSICS AND OPTICS	Mikhail Kovalchuk Institute of Crystallography Russian Academy of Sciences Leninsky pr. 59 117333 Moswcow, Russia	Bernarde Capelle LMCP, Case 115 4 Place Jussieu F-75252 Paris, France	Svetlana Zheludeva Institute of Crystallography Russian Academy of Sciences Leninsky pr. 59 117333 Moswcow, Russia
SIG11 CRYSTALLOGRAPHY under EXTREME CONDITIONS	Leonid Dubrovinsky Bayerisches GeoinstitutUniversity Bayreuth D-95440 BayreuthGermany Tel. +49-921-553736 Fax +49-921-553769	Alfonso San-Miguel Laboratoire de Physique de la Matiere Condensee et Nanostructures University Lyon 1 and CNRS 43 Bvd du 11 Novembre 1918 F-69622 Villeurbanne, Cedex Tel. (+33) (0)4 72 44 80 57 FAX (+33) (0)4 72 43 29 25	Julien Haines Institut Charles Gerhardt UMR 5253 CNRS-UM2-ENSCM-UM1 Université Montpellier II Sciences et Techniques du Languedoc Place E. Bataillon cc 003 34095 MONTPELLIER cedex 5 Tel 04 67 14 93 49 Fax 04 67 14 42 90
SIG12 MATERIALS SCIENCE	Pam A. Thomas Department of Physics Warwick University Coventry, CV4 7AL, UK Phone: +44-24-76523354 Fax: +44-24-76692016		Jens Kreisel Lab. Materiaux et Genie Physique ENS de Physique de Grenoble Domaine Universitaire BP46, ST. MARTIN D'HERES Cedex 38401, France
SIG13 MOLECULAR STRUCTURE AND CHEMICAL PROPERTIES		Chick C. Wilson Department of Chemistry University of Glasgow GLASGOW G12 8QQ, UK