Andrzej Krasiński, Copernicus Astronomical Center, Poland:
Andrzej Królak, Institute of Mathematics, Poland;
Claes Uggla, Karlstad University, Sweden;
Claus Kiefer, Institute for Theoretical Physics, Germany;
David Garfinkle, Oakland University, USA;
Edgar Shaghoulian, Stanford Institute of Theoretical Physics, USA;
Edward Wilson-Ewing, Albert Einstein Institute, Germany;
Ewa Czuchry, National Centre for Nuclear Research, Poland;
Jakub Gizbert-Studnicki, Jagiellonian University, Poland;
Jakub Mielczarek, Jagiellonian University, Poland;
Jerzy Kijowski, Center for Theoretical Physics, Poland;
John Klauder, University of Florida, USA;
Jose Senovilla, Universidad del Pais Vasco, Spain;
Ken-ichi Nakao, Osaka City University, Japan;
Manuel Krämer, Uniwersytet Szczecinski, Poland;
Marek Abramowicz, Göteborg University, Sweden;
Marek Pawłowski, National Centre for Nuclear Research, Poland;
Martin Bojowald, Institute for Gravitation and the Cosmos, USA;
Mihalis Dafermos, Princeton University, USA;
Pankaj Joshi, Tata Institute of Fundamental Research, India;
Parampreet Singh, Louisiana State University, USA;
Patrick Peter, Institut d'Astrophysique de Paris, France;
Serge Parnovsky, Shevchenko National University of Kiev, Ukraine;
Simone Zonetti, Capstone Institute for Theoretical Research, Iceland;
Tomasz Bulik, Warsaw University, Poland;
Vladimir Belinski, ICRANet, Italy;
Włodzimierz Piechocki, National Centre for Nuclear Research, Poland;