| 1. | Andreas Barniske | (Univ. Potsdam, Germany) |
| 2. | Ronny Blomme | (Royal Observatory of Belgium, Brussel, Belgium) |
| 3. | Jean-Claude Bouret | (Laboratoire d'Astrophysique de Marseille, France) |
| 4. | Joseph Cassinelli | (Univ. of Wisconsin-Madison, USA) |
| 5. | André-Nicolas Chené | (Univ. de Montréal, Canada) |
| 6. | David Cohen | (Swarthmore College, PA, USA) |
| 7. | Alex de Koter | (Astron. Inst. "Anton Pannekoek", Univ. of Amsterdam, Netherlands) |
| 8. | Achim Feldmeier | (Univ. Potsdam, Germany) |
| 9. | Alex Fullerton | (Space Telescope Science Institute, Baltimore, USA) |
| 10. | Götz Gräfener | (Univ. Potsdam, Germany) |
| 11. | Jose Henrique Groh | (MPI für Radioastronomie, Bonn, Germany) |
| 12. | Ted Gull | (Goddard Space Flight Center, Greenbelt, USA) |
| 13. | Wolf-Rainer Hamann | (Univ. Potsdam, Germany) |
| 14. | D. John Hillier | (Univ. of Pittsburgh, USA) |
| 15. | Raphael Hirschi | (Lennard-Jones Labs., Keele Univ., UK) |
| 16. | Richard Ignace | (East Tennessee State Univ., Johnson City, USA) |
| 17. | Rosina C. Iping | (Catholic Univ. of America / GSFC, Greenbelt, USA) |
| 18. | Alexander Kholtygin | (Univ. St. Petersburg, Russia) |
| 19. | Michaela Kraus | (Astron. Inst. Ondrejov, Czech Republic) |
| 20. | Jirí Krticka | (Masaryk Univ. Brno, Czech Republic) |
| 21. | Jirí Kubát | (Astron. Inst. Ondrejov, Czech Republic) |
| 22. | Daniel-Jens Kusterer | (Univ. Tübingen, Germany) |
| 23. | Maurice Leutenegger | (Columbia Astrophysics Laboratory, NY, USA) |
| 24. | Adriane Liermann | (Univ. Potsdam, Germany) |
| 25. | Alex Lobel | (Royal Observatory of Belgium, Brussel, Belgium) |
| 26. | Derck Massa | (SGT, Inc., NASA/GSFC, Greenbelt, USA) |
| 27. | Anthony Moffat | (Univ. de Montréal, Canada) |
| 28. | Nancy D. Morrison | (Univ. of Toledo, USA) |
| 29. | Patrick Mueller | (Lennard-Jones Labs., Keele Univ., UK) |
| 30. | Lianne Muijres | (Astron. Inst. "Anton Pannekoek", Univ. of Amsterdam, Netherlands) |
| 31. | Francisco Najarro | (Inst. de Estructura de la Materia, CSIC, Madrid, Spain) |
| 32. | Krister E. Nielsen | (Catholic University of America, Washington, USA) |
| 33. | Lida Oskinova | (Univ. Potsdam, Germany) |
| 34. | Stan Owocki | (Univ. of Delaware, Newark, USA) |
| 35. | Andy Pollock | (ESA XMM-Newton SOC, Madrid, Spain) |
| 36. | Raman Prinja | (Univ. College London, UK) |
| 37. | Joachim Puls | (Universitätssternwarte München, Germany) |
| 38. | Ton Raassen | (SRON Netherlands Inst. for Space research, Utrecht, Netherlands) |
| 39. | Anita Reimer | (HEPL/KIPAC, Stanford Univ., USA) |
| 40. | Olaf Reimer | (HEPL/KIPAC, Stanford Univ., USA) |
| 41. | Jorge Reyes-Iturbide | (Inst. de Astronomía, UNAM, Mexico City, Mexico) |
| 42. | Gustavo E. Romero | (IAR / Univ. of La Plata, Buenos Aires, Argentina) |
| 43. | Mark Runacres | (Erasmushogeschool Brussel, Belgium) |
| 44. | Roald Schnerr | (Univ. of Amsterdam / SRON, Netherlands) |
| 45. | Olivier Schnurr | (Univ. of Sheffield, UK) |
| 46. | Nathan Smith | (Univ. of California, Berkley, USA) |
| 47. | George Sonneborn | (NASA/GSFC, Greenbelt, USA) |
| 48. | Nicole St-Louis | (Univ. de Montréal, Canada) |
| 49. | Thomas Szeifert | (ESO, Santiago, Chile) |
| 50. | Helge Todt | (Univ. Potsdam, Germany) |
| 51. | Rich Townsend | (Univ. of Delaware, Newark, USA) |
| 52. | Asif ud-Doula | (Univ. of Delaware, Newark, USA) |
| 53. | Miguel A. Urbaneja | (Inst. for Astronomy, Univ. of Hawai`i, Honolulu, USA) |
| 54. | Jorick Vink | (Lennard-Jones Labs., Keele Univ, UK) |
| 55. | Viktor Votruba | (Astron. Inst. Ondrejov, Czech Repulic) |
| 56. | Roland Walter | (Observatoire de Genève/INTEGRAL Science Data Centre, Versoix, Switzerland) |
| 57. | Kerstin Weis | (Astron. Inst., Ruhr-Univ. Bochum, Germany) |