Location Stierstr. 19 District Friedenau Stone was laid 27 July 2008 Born 19 October 1877 in Hannover Occupation Kaufmann Deportation on 03 March 1943 to Auschwitz Murdered in Auschwitz Stolperstein für Iwan Grünberg. Copyright: MTS Stolperstein für Iwan Grünberg. Copyright: MTS