Bjarnadóttir, Kristín 
University of Iceland, School of Education, Reykjavík, Iceland

Booker, George 
Griffith University, Brisbane, Australia

Chorlay, Renaud 
IREM, Université Paris 7, 175-179 rue Chevalleret, 75013 Paris, France

Clark, Kathy 
Florida State University, Tallahassee, Florida 32306 – 4459, USA

D’Ambrosio, Ubiratan
Pontificia Universidade, Catolica de Sao Paulo, Brazil

El Idrissi, Abdellah 
Ecole Normale Supιrieure, BP 2400, ENS, Marrakech,  CP. 40000 Maroc

Fasanelli, Florence 
American Association for the Advancement of Science, USA

FitzSimons, Gail 
68 Bradleys Lane, Warrandyte, Victoria 3113, Australia

Horng, Wann-Sheng 
Department of Mathematics, National Taiwan Normal University, Taiwan

Hwang, Sunwook
Department of Mathematics, Soongsil University, Seoul, Korea

Isoda, Masami 
Graduate School of Comprehensive Human Science, University of Tsukuba, Japan

Jahnke, Niels 
Fachbereich Mathematik, Universität Duisburg-Essen, Germany

Jankvist, Uffe 
Aarhus University, Dept. of Education, Denmark

Kaisjer, Sten 
Department of Mathematics, University of Uppsala, Uppsala Sweden

Katz, Victor 
University of  the District of Columbia, Washington, DC, USA

Kjeldsen, Tinne Hoff 
Department of Science, Systems and Models. Roskilde University. Denmark

Kronfellner, Manfred 
Vienna University of Technology, Vienna, Austria

Lakoma, Ewa 
Institute of Mathematics Military University of Technology Warsaw, Poland

Lawrence, Snezana 
Bath Spa University, Bath, UK

Massa-Esteve, Maria Rosa 
Centre de Recerca per a la Història de la Tècnica, Matemàtica Aplicada I, ETSEIB, Universitat Politècnica de Catalunya, Av. Diagonal, 647, 08028 Barcelona, Spain

Pengelley, David
Department of Mathematical Sciences, New Mexico State University, Las Cruces, USA

Puig, Luis 
Departamento de Didáctica de las Matemáticas, Universitat de València Estudi General, Spain

Qu, Anjing 
Department of Mathematics at Northwest University, Xian, China

Roque, Tatiana 
Universidade Federal do Rio de Janeiro, Brazil

Schubring, Gert 
IDM, Universitat Bielefeld, Postfach 100 131, D-33501 Bielefeld, Germany

Siu, Man-Keung 
Department of Mathematics, University of Hong Kong, Hong Kong SAR, China

Smestad, Bjørn 
Faculty of Education, Oslo University College, Norway

Stein, Robert 
California State University, San Bernardino, USA

Weeks, Chris 
Downeycroft, Virginstow Beaworthy, UK

Winicki-Landman, Greisy 
Department of Mathematics and Statistics, California State Polytechnic University, USA

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