Full biography of Josef Stempa on the website of the Stumbling Stone Initiatives Stuttgart.

The address book of the city of Berlin from 1900 contains the following entry: Brasch & Rothenstein, Spedition, Commisssion und Agenturen, Billetverkauf, Lesezimmer ( Centralbureau f.den Weltverkehr ), C Hausvogtei-Platz 2 (Tel.I., 2840) Hauptbureau NW Lüneburgerstr.22. (Tel. II. 512, 583.) Branches: SW Alexandrinenstr.22(Tel. IV. 2081.), Kgl. Packhof, London E. C., Paris, Tetschen a. E., Amsterdam, Rotterdam, Blissingen, Leipzig, Frankfurt a.M., Hamburg, Bremen, Bentheim, Gotha, Inh. Heinr.

Walter Guttmann was born in Sopot in 1887, took over the Paul Neff bookshop in Stuttgart in 1912 and was an important figure in the cultural life of the 1920s. His Jewish background led to considerable restrictions during the Nazi era and ultimately to his deportation and murder in 1942.

Full biography: see link