Location Babelsberger Straße 52 District Wilmersdorf Stone was laid 17 June 2022 Born 18 May 1911 in Berlin Occupation Vertreter in der optischen Industrie Escape 1933 Holland Survived Stolperstein für Rudi Ottenstein © Hupka, H.-J. Stolperstein für Rudi Ottenstein © Hupka, H.-J.