| Martin Rainer , ENAMEC, Einstein Laboratorium, Würzburg, Germany, Nov. 18-23, 2005 |
| Durmuş Ali Demir , İzmir Institute of Technology, Izmir, Turkey, Sep. 19 - Oct. 4, 2005 |
| Galileo Violini , Dipto Fisica Universita Della Calabria, Rende(Consenza), Italy, Aug. 6-29, 2005 |
| Sameer Venkatesha Murthy , Abdus Salam International Center for Theoretical Physics(ICTP), Trieste, Italy, May 17-31, 2005 |
| Zafar Ya Turakulov , Institute of Nuclear Physics, Acad. Sci. Uzbekistan, Tashkent, Uzbekistan, May 7 - June 3, 2005 |
| Jorge Guillermo Russo , University of Barcelona, Faculty of Physics, ECM Department, Barcelona, Spain, April 6-19, 2005 |
| Vishnu Jejjala , University of Durham, Durham, United Kingdom, Feb. 23 - March 8, 2005 |
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