This volume collects contributions from the international conference "For Joachim von Sandrart's 400th Birthday: A European artist and theorist between Italy and Germany, " which took place on 3 - 4 April 2006 at the Bibliotheca Hertziana. The essays examine the various aspects of Joachim von Sandrart's activities and underscores the European importance of this painter, art theorist and historian of the 17th Century. In the panel section numerous paintings of von Sandrart are published in color for the first time. German text.