ARGENTINA           Professor J. C. Dalmasso, 
                    Director de Olimpiada Matematica
                    Santa Fe 3312, 9o piso
                    1425 Buenos Aires
                    ARGENTINA

AUSTRALIA           Dr. Jane Watson,
                    Department of Education,
                    University of Tasmania, G.P.O Box 252 C
                    Hobart, Tasmania 7001
                    AUSTRALIA

AUSTRIA             Professor F. Schweiger,
                    Institut fur Mathematik, Universitat Salzburg,          
                    Heilbrunnerstr. 34, A-5020 Salzburg,
                    AUSTRIA

BANGLADESH          Professor S.M. Sharfuddin,
                    58 Lake Circus, Kalabagan, Dhaka-1205,
                    BANGLADESH

BELGIUM             Professor Dirk Janssens, 
                    Kath. Uiversiteit Leuven, Department of Mathematics,
                    Celestijnenlaan 200B, B-3001 Leuven
                    BELGIUM

BOTSWANA            Mr. B.J. Radipotsane,
                    Ministry of Education,
                    Private Bag 005, Gaborone,
                    BOTSWANA

BRAZIL              Professor Elon Lages Lima,
                    IMPA/CNPq
                    Estrada Dona Castorina, 110
                    Rio de Janeiro, RJ 22460-320
                    BRAZIL

BULGARIA            Academician Blagovest Sendov,
                    Bulgarian Academy of Sciences, 1,7 Noemvry, Sofia 1040,
                    BULGARIA

CAMEROUN            Professor Henri Hogbe Nlend, 
                    Societe Mathematique du Cameroun, 
                    BP 12041 Yaounde,
                    CAMEROUN

CANADA              Professor Bernard Hodgson,
                    Departement de mathematiques et de statistique
                    Universite Laval,
                    Quebec, QC G1K 7P4
                    CANADA

CHILE               Professor Rubi Rodriquez
                    Facultad de Matematicas
                    Pontificia Universidad Catolica de Chile
                    Casilla 306, Correo 22
                    CHILE

CHINA               Chinese Mathematical Society. Professor Li Daqian,
                    INstitute of Mathematics, Fudan University,
                    Shanghai 200433,
                    CHINA

                    Mathematical Society located in Taipei, China.
                    Professor Fou-Lai Lin, Institute of Mathematics
                    National Taiwan Normal University, Taipei,
                    TAIWAN

COSTA RICA          Professor B. Montero, 
                    Associacion Matematica Costarricense,
                    Escuela de Matematica, Universidad de Costa Rica,
                    San Jose,
                    COSTA RICA

CROATIA             Professor Mirko Polonijo,
                    Matematicki odjel PMF
                    Bijenicka cesta 30
                    41000 Zagreb
                    CROATIA

CUBA                Professor M. Prieto,
                    Facultad de Matematica, Universidad de le Habana,
                    Habana 4,
                    CUBA

CZECH               Professor Frantisek Kurina
REPUBLIC            Katedra matematiky
                    Pedagogicka fakulta
                    500 00 Hradec Kralove
                    The CZECH REPUBLIC

DENMARK             Professor Martin P. Bendsoe,
                    Department of Mathematics,
                    The Technical University of Denmark,
                    Building 303, 
                    DK-2800 Lyngby
                    DENMARK

EGYPT               Professor W. Ebeid,
                    Faculty of Education, Einshams University,
                    Roxy, Heliopolis, Cairo,
                    EGYPT

FINLAND             Professor Tuomas Sorvali,
                    University of Joensuu, P.O.Box 111, SF-80101 Joensuu 10,
                    FINLAND

FRANCE              Professor Regis Gras,
                    Universite de Rennes 1, UFR de Mathematiques, IRMAR,
                    35042 Rennes Cedex
                    FRANCE

GEORGIA             Not known

GERMANY             Professor, Dr. H.-J. Vollrath,
                    Mathematisches Institut der Universitat Wurzburg
                    Am Hubland
                    DW-97074 Wurzburg
                    GERMANY

GHANA               Professor D.A. Akyeampong,
                    Department of Mathematics, University of Ghana,
                    P.O.Box 62, Legon, Accra,
                    GHANA

GREECE              Not known

HONG KONG           Mr. Pak-Hong Cheung
                    Department of Curriculum Studies,
                    The University of Hong Kong,
                    Pokfulam Road,
                    HONG KONG
                    
HUNGARY             Professor, Dr. J. Szendrei,
                    Juhasz Gyula Teacher Training College, 
                    Boldogasszony sgt. 6
                    H-6701 Szeged,
                    HUNGARY

ICELAND             Dr. Kristin H. Jonsdottir,
                    Kennarahyskola +slands, Stakkahlid, IS-105 Reykjavok,
                    ICELAND

INDIA               Professor R. C. Cowsik,
                    Department of Mathematics,
                    University of Bombay, Vidyanagari,
                    Bombay 400098
                    INDIA


INDONESIA           Not known

IRAN                Professor Megherdich Toomanian,
                    Department of Mathematics, Faculty of Science,
                    University of Tabriz, Tabriz,
                    IRAN

IRELAND             Professor A.D. Wood
                    The National Sub-Commission for Mathematical Instruction
                    The Royal Irish Academy, Academy House,
                    19 Dawson Street, Dublin 2,
                    IRELAND

ISRAEL              Professor Theodore Eisenberg
                    Department of Mathematics,
                    Ben-Gurion University
                    P.O.Box 653, Beer Sheva 84105
                    ISRAEL

ITALY               Professor Benedetto Scimeni,
                    Prato delle Valle 80, 35123 Padova,
                    ITALY

IVORY COAST         Professor Pierre Nezit, 
                    Societe Mathematique de Cote d'Ivoire (S.M.C.I.), 
                    08 B.P. 2030 Abidjan 08,
                    IVORY COAST

JAPAN               Professor Shigeru Iitaka,
                    Department of Mathematics, Gakushuin University,
                    Mejiro, Toshima, Tokyo, 171
                    JAPAN

KUWAIT              Mr. Mansour Hussein,
                    Mathematics Advisory, Ministry of Education, P.O.Box 7,
                    Safat,
                    KUWAIT

LATVIA              Not known

LUXEMBOURG          Professor Rene Klopp,
                    Mathematics, Centre Universitaire de Luxembourg
                    162 A, avenue de la Faiencerie 
                    L-1511 Luxembourg
                    LUXEMBOURG

MALAWI              Inspector for Mathematics,
                    c/o Secretary for Education & Culture,
                    Ministry of Education & Culture,
                    Private Bag 328, Capital City, Lilongwe 3,
                    MALAWI

MALAYSIA            Professor Abu Osman Md. Tap,
                    Department of Mathematics, Universiti Kebangsaan Malaysia,
                    43600 UKM Bangi, Selangor
                    MALAYSIA

MEXICO              Not known

MOZAMBIQUE          Dr. Abdulcarimo Ismael,
                    Head of Department of Mathematics,
                    Higher Pedagogical Institute (I.S.P.), C.P. 3276, Maputo,
                    MOZAMBIQUE

NETHERLANDS         Professor Fred Simons,
                    Department of Mathematics
                    Eindhoven University of Technology,
                    P.O.Box 513, 5600 MB Eindhoven,
                    The NETHERLANDS

NEW ZEALAND         Ms. Megan Clark,
                    Institute of Statistics and Operations Research
                    Victoria University of Wellington,
                    P.O.Box 600, Wellington,
                    NEW ZEALAND

NIGERIA             Dr. Sam O. Ale,
                    Abubakar Tafawa Balewa College,
                    School of Science and Science Education,
                    Ahmadu Ballo University, Bauchi Campus, Bauchi,
                    NIGERIA

NORWAY              Dr. Kari Hag,
                    Department of Mathematical Sciences,
                    University of Technology of Norway
                    N-7034 Trondheim,
                    NORWAY

PAKISTAN            Not known

PHILIPPINES         Professor B.F. Nebres S.J.,
                    Ateneo de Manila University, P.O.Box 154, Manila,
                    The PHILIPPINES

POLAND              Professor Stefan Turnau,
                    Institute of Mathematics, Pedagogical University (WSP),
                    P.B. 115, PL-35-959 Rzeszow,
                    POLAND

PORTUGAL            Professor M.R.F. Moreira,
                    Department of Mathematics, University of Porto,
                    4000 Porto,
                    PORTUGAL

ROMANIA             Not known

RUSSIA              Professor Igor Fedorovich Sharygin,
                    Mathematical Department, IOSO RAO,
                    8, Pogodinskaia Street,
                    119905
                    RUSSIA

SENEGAL             Professor S. Niang,
                    Faculte des Sciences, Universite de Dakar, Dakar,
                    SENEGAL

SINGAPORE           Dr. Cheng Kai Nah,
                    Department of Mathematics,
                    National University of Singapore,
                    10 Kent Ridge Crescent, Singapore 0511,
                    SINGAPORE

SLOVAKIA            Professor Vladislav Rosa
                    Faculty of Mathematics and Physics
                    Comenius University
                    Mlynska dolina
                    842 15 Bratislava
                    SLOVAKIA

SLOVENIA            Not known

SOUTH AFRICA        Professor Cyril Julie,
                    Faculty of Education and Didactics, 
                    University of Western Cape 
                    Private Bag X17, Belville 7535
                    SOUTH AFRICA

SOUTH KOREA         Professor Han Shick Park,
                    Faculty of Mathematics,
                    Korea National University of Education,
                    Chongwon-kun,
                    Chungbuk, 363-791,
                    SOUTH KOREA

SPAIN               Professor Claudi Alsina,
                    Department of Mathematics & Statistics, ETSAB,
                    Universitat Politecnica de Catalunya,
                    Diagonal 649, Barcelona 08028,
                    SPAIN

SWAZILAND           Mr. E.D. Bicknell,
                    William Pitcher College, P.O.Box 1473, Manzini,
                    SWAZILAND

SWEDEN              Dr. Gerd Brandell,
                    Department of Mathematics, University of Luleaa,
                    S-97187 Luleaa,
                    SWEDEN

SWITZERLAND         Professor Urs Kirchgraber,
                    Mathematik ETH-Zentrum, CH-8092 Zurich,
                    SWITZERLAND

THAILAND            Dr. Suwimon Hall
                    Department of Mathematics, Faculty of Science
                    Chulalongkorn Universitty, Bangkok 10330
                    THAILAND

TUNISIA             Dr. S. Aidi,
                    18 rue des Suffetes, Salammbo,
                    TUNISIA

UNITED              Professor Margaret Brown
KINGDOM             Centre for Educational Studies
                    University of London
                    Waterloo Road, London SE1 8TX
                    ENGLAND

URUGUAY             Not known

USA                 Dr. John A. Dossey, Distinguished University Professor 
                    4520 Mathematics
                    Illinois State University
                    Normal, IL 61790-4520
                    USA

VIETNAM             Professor Nguyen Dinh Tri
                    Hanoi National University of Technology
                    Dai Co Viet Road, Hanoi
                    VIETNAM

EX-YUGOSLAVIA       Dr. Milica Ilic Dajovoc,
                    Gospodar Jevremova 45, 11000 Beograd
                    SERBIA
                    
ZAMBIA              Dr. S.M. Bayat,
                    Secretary, Mathematical Association of Zambia,
                    P.O.Box RW 204, Ridgeway, Lusaka,
                    ZAMBIA