The Munich address book from 1910 contains the following entry: Krämer Max & Co, (owner Max Krämer u. Louis Levi), Bank- und Wechselgeschäft, Dienerstr.23 Entres. T. P. 881 - Max Krämer was born in Munich on August 22, 1864. He came from a wealthy family of bankers and ran his own financial institution. In 1891, Max Krämer married Clementine Cahnmann, born on September 17, 1873 in Rheinbischofsheim. The marriage remained childless. The global economic crisis and the New York stock market crash in October 1929 led to the end of the Max Krämer & Co. bankruptcy was inevitable.

Julius Klein, born in Meisenheim on June 30, 1871, had been registered in München at Blumenstra<e 38/IV since 1898, coming from Speyer. He founded the well-known shoe store Julius Klein in Munich. The following entry can be found in the München address books for the years 1903-1911: Klein Julius, branch of Speiers Schuhwaren-Haus, Kaufingerstr.15, Tel.649, apartment Karlsplatz8/3. From 1912 the new entry: Klein Julius, Schuhwarenhaus, Spezialhaus 1.Ranges für moderne Schuhwaren. Exclusive sale of the legally protected brand "Schuhklein", Kaufingerstr.15T u. Bayerstr.7a, Wohn.

The address book of the city of Nürnberg from 1923 contains the following entry: Bing Spiele und Verlag, G.m.b-h., Badstraße 3, Betrieb: Aufseßplatz 18.

The address book of the city of Nürnberg from 1923 contains the following entry: Bing Glas- und Keramik-Kommanditgesellschaft, Fabrikation und Vertrieb von Glas,- Keramik und Steingutwaren, Dianastraße 104.

Carl (Charles) David, a native of Homburg/Saar, founded a leather goods store at 51 Wormser Strasse in 1824. Carl David was married to Franziska Gernsheim, who was born in Worms. The couple had thirteen children - August,1825 -1845,- Jakob Theodor,1826 - 1898, Cornelius,1828 - 1906,- Caroline,1829 -1909,- Adolf,1830 -1904,- Emilia, 1831 - 1837,- Julius,1833 - 1868,- Auguste,1834-1910,- Amalie,1836-1896,- Gustav,1837, - Rosalie,1841-1906,- Bertha,1845-1936 and Nathalie 1847-1924. From 1855 to 1872, Carl David headed the Jewish Community of Speyer.

In the book " Mitten in Nürnberg - Jüdische Firmen, Freiberufler und Institutionen am Vorabend des Nationalsozialismus " by Gerhard Jochem the following information can be found:  Büromöbel-Fabrik S. Gutmann, owner Hugo Gutmann, Vordere Sterngasse 3 - Salomon Gutmann founded a factory for Büromöbel in Nürnberg in 1878 . He was married to Emma Gutmann, née Lehmann.

The building was erected around 1898 on behalf of Benjamin Fanger (1860-1930) as a department store, business and residential building. After his death, his wife Fieda and later his daughter Selma Lotte and her husband Moritz Auerbach continued to run the Fanger department store. Later, the Hava, the house of many articles, managed by Max Brecher and Max Rosenbaum, was located here.

The photographer Genja Jonas was born Jenny Jonas on September 2, 1895 in Rogasen/Posen (now Rogozno). She grew up as the second child of the Jewish cigar merchant Simon Sigismund Jonas together with three siblings in Bromberg. She went to Berlin to train as a photographer and worked as a professional photographer from 1912. She then settled in Dresden, like her younger brother Kurt, where she opened her photo studio, called Portikus, at Bürgerwiese 6 in 1918. Genja Jonas quickly became a popular portrait photographer who soon gained a reputation far beyond Dresden, even in Europe.