Ascher GmbH, founded by his father in 1904, is successful. He buys a 3,000 square meter plot of land in Zehlendorf's Niklasstraße and commissions the prominent architect Paul Schultze-Naumburg to build a prestigious villa. In 1909, the family moved into the property, which was one of the first in the newly developing residential area. Fritz Ascher is 16 years old and begins his studies at the Königsberg Academy of Art. After completing his studies, he returns to Berlin and sets up a studio in his parents' villa.

In 1907, Alois Eckstein, born in 1883 near Marienbad, acquired an old building in a corner location in Potschappel to open his own department store. Eckstein had previously worked as an employee in Dresden. His store opened on September 27, 1907 and offered a wide range of goods. As there were previously only a few large shopping opportunities for the growing population of the Düren basin, Eckstein quickly generated large profits, so that he had a more representative and larger building erected from June 1913.

Wasastraße 7 – Villa of the Eger family – so-called ‚Judenhaus‘

The Jewish Eger family were forced by the city of Dresden to take in Jewish subtenants in their villa. The house was given the status of a 'Judenhaus' (Nazi jargon).

The so-called 'Judenhäuser' were the last stage of National Socialist exclusion and disenfranchisement of Jewish citizens in the Reich territory before their deportation to the Nazi extermination camps.

In 1920, the Tomche Nizrochim association was active in the Trierisches Haus in Sporergasse. It held services here according to the Orthodox rite. Another aim of the Jewish-Orthodox association was to support members in need. Establishment with prayer hall and kosher butcher's shop,

From 1940 until the destruction of Dresden city center by air raids by the Royal Air Force (RAF) and United States Army Air Forces (USAAF) from 13 to 15 February 1945, citizens of the Jewish faith were forced to move in here before being deported to the Nazi extermination camps.

The Fifth Ordinance to the Reich Citizens' Law of September 27, 1938 (RGBL. I. of October 14, 1938, No. 165) finally determined that all Jews had to be excluded from the legal profession and removed from the list of lawyers by November 30, 1938 at the latest. In Munich, 92 Jewish lawyers were disbarred in accordance with Order No. 18/38 of the Munich Bar Association. - Higher Regional Court and Regional Courts München I and II - also on the list -  Dr. August Kronacher, München. - Dr.

In 1859, the merchant and confectioner Sigmund Rosenbaum acquired the stately property at 1/3 Kulmbacher Strasse. The building, formerly owned by the noble von Redwitz family, is also known as the Upper Castle. Sigmund Rosenbaum had been licensed to trade in delicatessen products since 1833; in 1859, he was also granted a concession to trade in sawn goods. In 1869, Simon and Leopold Rosenbaum took over the business and the residential building and continued to run the company under the name "Sigmund Rosenbaum's Söhne“.

The address book of the city of Munich from 1889 contains the following entries: Billigheimer & Cie, Bettfederngeschäft en gros, Fabrik und Lager, Nockherstr. 2 u. 3 -  Billigheimer Julius ( Billigheimer & Cie ), Kaufmann, Prielmeierstr. 18. - The following entry can be found in the 1896 address book: Billigheinmer & Einstein, bed feathers & down en gros, factory and warehouse Nockherstr. 2 and 3, Billigheimer Julius (Billigheimer & Einstein) merchant, Steinsdorfstr.18 Bel`Etage r.

The Munich address book of 1860 contains the following entry: Steinhardter Samuel, Rauhwaaren-Händler, Marienplatz 2 - The address book of the city of Munich from 1891 contains the following entries: Steinharter S., Großhdl. in Häuten, Fellen u. Wolle, Compt. Corneliusstr.6, (T) Lagerhaus - äuß. Birkenau 3 (T). - Steinharter Alex, wholesaler in company S. Steinharter Corneliusstr. 6, - Steinharter Bertha, Privatiers-Wttw. Corneliusstr.6, - Steinharter Josef, wholesaler in company S. Steinharter am Einlaß1, - Steinharter Sigm., wholesaler in company S.