The IMPRS seminar provides a central meeting opportunity for all IMPRS students in order to exchange ideas and experience from different research areas. After the two IMPRS semester seminars during the first academic year of a student, the IMPRS continues in the second years as a seminar workshop, held as an external retreat for about three days. Students present an update of there thesis projects. The seminar workshop for the 4th-generation students took place at the Physics Institute of the University of Cologne, March 26-28, 2010, under the supervison of A. Just. Our invited speaker Joachim Wambsganss talked about career opportunities for astronomers. Click for the program and see some pictures.