Dear participants, Though belated, I wish to thank you for your participation in the forth-coming Japan-Germany Colloquium at Wildbad Kreuth, Feb.27-Mar.1. This is the 3rd of the series that JSPS Bonn Office organizes, inviting young scientists from Japan and Germany. This time, I am very pleased that Prof. Hasinger, MPE, has agreed to jointly organize the Colloquium on "Relativistic Universe". The purpose of the Colloquium is to "teach each other" and to "learn from each other". The programme covers a wide range of topics. Your are kindly requested in your lecture to try to stimulate the ineterest of those who are not specialists on your subject. A comprehensive introduction will be helpful. All audience is requested to participate actively in discussions. Please do not hesitate to ask "silly?" questions. No one should feel lost. On my side, we will do our best to provide logistical support. Soon, my colleague in Bonn will send you more information and instructions, including a request of your CV, photo and short abstract in order to help acquaint each other. I thank you, also on behalf of my co-organizer Prof. Hasinger, for your cooperation. and look forward to successful and enjoyable meeting. With best wishes. Yasuo Tanaka, MPE and JSPS Bonn Office