ARGENTINA            Professor J. C. Dalmasso, 
                     Director de Olimpiada Matematica
                     Santa Fe 3312, 90 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. Universiteit 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. Bendsoee,
                     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,
                     Kennarahaskola Islands, Stakkahlid, IS-105 Reykjavik,
                     ICELAND

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

INDONESIA            Dr. Y. Marpaung
                     FKIP Universitas Sanata Dharma
                     P.O. Box 29
                     Yogyakarta 55002
                     INDONESIA

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 Goffree,
                     Bremlaan 16
                     NL-3735 KJ Bos en Duin
                     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             Professor Siriporn Thipkong
                     The Mathematical Association of Thailand
                     Mathematics Building
                     Chulalongkorn University, 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