Back in 1830, Veit Weil founded the glue factory in Bopfingen - Oberdorf. His pioneering spirit, his indomitable will and his iron will turned the initially small glue factory into the later important Veit Weil glue, gelatine and artificial fertilizer factory ( Leim-, Collagen- und Degraswerke Veit Weil - Bopfingen ), which was awarded first prizes for its products at national and international exhibitions in Munich, Paris and London. Veit Weil died in 1887 and was succeeded by his son Moses Michael Weil. When he died in 1894, his Karl Weil took over the company at the age of 24.

The following entry can be found in the city register of Nürnberg from 1876: Scherer Samuel, merchant, Marienstr.11 (Hirsch Scherer). -From the prehistory of the Jewish Community of Nürnberg -  On July 21, 1850, after a period of 351 years, eight Jews were again granted the right of residence in Nürnberg. On September 10, 1852, Hirsch Scherer, Löb Hopf and Joseph Friedmann applied to the magistrate for police permission to celebrate the Jewish New Year's Day and the following day of celebration.

Elisabeth Kaiser was born in Celle on January 22, 1870. Little is known about her life in Celle, but little is known about her origins: her father was the postmaster Melchior Stern, her mother Laura a daughter of the highly respected Celle sanitary councillor Dr. Philipp Simon Dawosky. On her mother's side, she was also related to one of the oldest Jewish families in Celle, that of the court agent Gans. Elisabeth and her brother Bernhard, who was two years younger, were orphaned early on: Their parents died in 1875 and 1876 respectively.

The following entry can be found in the address book of the city of Munich and the surrounding area for the year 1928: Cahn Emil, Hauptvertreter,Grimmstr. 4/1 - Emil Cahn was born on August 4, 1861 in Wertheim. His parents were the merchant Moritz Cahn and Johanna Cahn, née Friedmann. Emil Cahn married Selma Weil, who was born in Oberdorf on February 9, 1867, on November 29, 1887 in Oberdorf (today Bopfingen-Oberdorf).

Siddy Wronsky (née Sidonie Neufeld) was born in Berlin on July 20, 1883. Wronsky's father was of German origin, her mother came from Eastern Europe. She began her career as a teacher and later studied special education. From 1908, Wronksy headed the Archive for Welfare Care in Berlin, at that time still a department of the Central Office for Private Welfare, and was a member of the German Association for Public and Private Welfare Care (DV) and the Central Welfare Office of Jews in Germany (ZWST). She was editor of the leading "Deutsche Zeitschrift für Wohlfahrtspflege".

Margarete Berent was born into a Jewish family in Berlin on July 9, 1887. After her teacher's examination, she worked as a teacher and passed her university entrance examination in 1910. She studied law and political science in Berlin, where women had been allowed to study since 1908, but were not admitted to the state law examinations until 1922. In 1913, Berent completed her studies with a dissertation on "Die Zugewinngemeinschaft der Ehegatten". This work laid the foundation for the reorganization of matrimonial property law in 1958.

Jeanette Schwerin (née Abarbanell) was born into a socially committed, wealthy Jewish family in Berlin on November 21, 1852. She attended the Academy for the Scientific Education of Young Ladies and took courses in economics and history at university. In 1872, she married the doctor and medical officer Ernst Schwerin, and their Berlin apartment became a center of cultural life.