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Artemov, Sergei
City University of New York Graduate Center, USA.
Beklemishev, Lev
Utrecht University, the Netherlands and Steklov Mathematical Institute, Russia.
Boolos, George
Massachussets Institute of Technology, USA (Wikipedia article).
Dosen, Kosta
University of Belgrade, Yugoslavia.
Guglielmi, Alessio
Technical University of Dresden, Germany.
Japaridze, Giorgi
Villanova University, USA.
Muravitsky, Alexei
Scholars' College, USA.
Van Benthem, Johan
University of Amsterdam, the Netherlands and Stanford University, USA.
Verbrugge, Rineke
University of Groningen, the Netherlands.
Zambella, Domenico
University of Torino, Italy.