In the address book of the city of Bayreuth from the year 1911 the following entry can be found: Friedmann Joseph (Inh. Lina u. Max Friedmann u. Joseph Rindsberg), Warenhaus, Opernstr.11.Joseph Friedmann was born on May 19, 1845 in Frankenwinheim, Germany. After attending a Jewish commercial school (Bruchselsche Handelslehr- & Erziehungsanstalt) in Segnitz, Joseph Liebmann completed a commercial apprenticeship (1860-1862) in the textile business of M. L. Harburger at Opernstrasse 7 in Bayreuth.

Jüdische inhabitants are documented here since about 1730, 1840 formed seven families from Beverstedt, Schiffdorf and Wulsdorf a religious community, their prayer room was located in a private house. A small burial ground was laid out in the parcel „Hinter dem Busche“.

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The Fürth address book from 1886 contains the following entry: Auerbach Lippmann, Bronce-, Brocat- u. Blatt-Metall-Handlung, Firma L. Auerbach, Rosenstr. 19. - The company stamp on the postcard from 1882 already shows the name of the " Bronce- und Blattmetallfabrik L. Auerbach " in Fürth. In 1887 the company expanded to Rothenbruck. From " L. Auerbach " became the " Bronze Paint and Aluminum Powder Factory  L. Auerbach & Co ". As early as 1895, paints manufactured in Fürth by L. Auerbach & Co.

Jacob Regensteiner was born in Ulm on October 21, 1864. His parents were Sigmund Regensteiner, merchant and cigar wholesaler, and Regina Regensteiner, née Gift. Jacob Regensteiner was married to Hedwig Regensteiner, née Kahn, born in Munich on September 12, 1882. The couple had one son - Walter born on December 22, 1907 in Munich. Jacob Regensteiner also had a brother - Ludwig. Jacob Regensteiner and his brother Ludwig Regensteiner were partners in the cigar wholesaler Sigmund Regensteiner, founded by their father.

1896 beginning commercial register file Gumpel & Samson.owner Ludwig Gumpel (1860-1935) and his cousin Wilhelm Samson (1859 – 1932). From 1913,  address of the Gumpel & Samson banking house Kaiserstraße 13. The Ludwig and Dr. Max Gumpel families live in the Beletage. From 1921,  takeover of the  banking business by the „Darmstädter und Nationalbank, Berlin, Kommanditgesellschaft auf Aktien“. The two bank founders remain majority shareholders. Dec. 01, 1923 Rückütakeover of the bank by Gumpel  & Samson.Max Gumpel manages the bank.

The address book of the city of Munich 1922 contains the following entry: Kahn Sigmund, Großhändler, ( company Kahn  & Müller ), Rumfordstr. 21/2. Sigmund Kahn was born on January 24, 1855 in Altenstadt. His parents were the Altenstadt horse dealer Moritz Kahn and Lisette Kahn, née Bissinger. Sigmund Kahn was married to Sarah Kahn, née Müller, born on June 19, 1861 in Binswangen,Kreis Sonthofen. She was the daughter of Max Müller, merchant in Binswangen and Lena Müller, née Gerngroß.

"The oldest Jewish cemetery was located on the Helenenberg and was officially opened in 1867, but was closed again in 1900, as it could no longer be expanded.
It was leveled during the National Socialist era.
Today there is only a memorial stone on the site.
The other remaining tombstones were partly put up again on the Ledderken cemetery." (Klaus Wupper, 1/2022)

In the Münchner address book 1922 the following entries can be found: Theatinerstra;e 16 - Guttmann Samuel, Kaufmann.  -  Guttmann Samuel, Geh. Kommz.-Rat u. Kaufmann, Leopoldstraße 180 T.

At the end of the 18th century, Jewish reformers began to criticize the low level of schooling and the lack of teaching methods in Jewish education, which mostly took place in the private homes of the prayer leaders and shepherds. In order to raise the educational level of the Jewish population, new educational models developed in the  transition from the 18th and 19th centuries, which led to the establishment of Jewish elementary schools and the expansion of the canon of subjects, including in Walldorf.