In the address book of the city of Berlin for the year 1898 the following entry is found: Bamberger Ludwig, Dr. jur., Rentier, W. Margarethenstraße 18.  I. E.

Eduard Nussbaum was born on July 17, 1878 in Borken, Hesse. His parents were Levi Nussbaum (11. 3. 1845 to 3.10.1931), merchant in Borken and his wife Minna née Plaut (19. 6. 1850 to 9. 2.1899).

In the Jüdisches Adressbuch für Gross-Berlin - Edition1929/1930 is the following entry: Hahn Harry, N W 87 Lessingstra;e 54.  -  Harry Hahn was the founder and 1st Chairman of the Berlin Rowing Club " Triton " eV. - Founding date October 1, 1898. In 1927, the still 1st Chairman Harry Hahn bought a waterfront property on the Spree for the club, which in the following year of the purchase the laying of the foundation stone of a boathouse followß.

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The Jüdische Altenheim Gerlachstraße was confiscated by the National Socialists during the Second World War and used as a collection point for elderly and old Jews who were to be transported to concentration camps. 260 original residents and over 2000 elderly Jews were deported from here. In the late 1960s, the buildings that had not been destroyed by Allied bombs were demolished to make way for the GDR's House of Statistics.

Julius Prochownik was born in 1873 in Bromberg in East Prussia. He studied law in Göttingen and was baptized as a Protestant. At first he worked in law firms in Munich and Passau. In 1901 he married his first wife Kathinka. In 1903 he settled in Donauwörth and opened a law office in Schustergasse, which was highly regarded for three decades. From 1911 he lived at Reichsstra&szlig 36 with his wife and children Luise (1902) and Hermine (1910). In 1915 his wife Kathinka died.