Keywords: Alter St-Matthäus-Kirchhof Rubens Heinrich.jpg Alter St -Matthäus-Kirchhof Berlin-Schöneberg<br /> Grabstätte Heinrich Rubens Physiker own own photograph 2009-02 Photo Andreas Praefcke Own work all rights released Public domain Alter St -Matthäus-Kirchhof Berlin Rubens Heinrich Rubens Photos by User AndreasPraefcke |