Harry Ruben was born in Copenhagen on September 4, 1876. His parents were Meinert Moritz Ruben, born on February 5, 1841 in Copenhagen and Henriette Ruben, née Levin, born on April 27, 1840 in Copenhagen. Harry Ruben was married to Klara Ruben, née Abersteen, born on June 21, 1876 in Gothenburg. Her parents were Chaim Tzvi Oberstein, born on July 1, 1842 and Leah Faiga Oberstein, née Bergman, born on April 1, 1842 in Wiżajny in Poland. Harry Ruben was a stamp dealer in Copenhagen. He died in Copenhagen on May 2, 1925 at the age of 48.

The address book of the city of Stuttgart from 1875 contains the following entries: Cahn & Weilmann, en gros - business in mercerie and haberdashery. Eberhardstraße 65.p. Their apartment: Olgastraße 61 (See also Kahn) -  Kahn, Fritz Maier, merchant, Olgastraße 61. 2. - Kahn Gebr., Ro&sz;haarhandlung en gros, Olgastra&sz;e 61. - p. u. Hhs. - Kahn Jette, Kaufmanns-We., Olgastraße 61. 2. - Weilmann Fanny, Kaufmanns-We., Olgastraße 61. 2. - Meier Kahn was born on March 20, 1806 in Freudenthal. He was married to Jette (Jitel) Levi, who was born in Freudenthal on May 15, 1920.

The address book of the city of Stuttgart from 1895 contains the following entries: Nördlinger & Co, Bankgeschäft. Owner S. H. Nördlinger, Königstraße 54 - Nördlinger Sali H., Banquier, owner of the company Nördlinger & Co. and the Maschinenziegelei Stuttgart-Ostheim, Fischerstraße 4. 2.  - Gutmann Guido, merchant, agency and advertisement expedition business, Silberburgstraße 86. 2.

The Stuttgart address book of 1923 contains the following entries: Leiter Albert, merchant, partner in Leiter & Cie, Hackstr. 22. 3. - Leiter & Cie, textile goods wholesaler, owner: Albert Leiter and Alfred Levi, Leonhardsplatz 13. eg. The following entry can be found in the memorial book " Weg und Schicksal der Stuttgarter Juden ": Leiter Albert, Webwarengroßhandlung, Keplerstraße 23.

In April 1946, the Jewish Committee Munich opened the first kosher kitchen in the city in Victor-Scheffel-Strasse. As up to 8,000 Jews were living in Munich, what it could produce was not enough by any means. Additional kitchens were opened so that, at times, five such canteens existed in the municipal area: in Möhlstrasse, Frauenstrasse, and Zweibrückenstrasse, as well as in Hauptstrasse, as it was then called, in the suburb of Feldmoching.

Although the Zionist organizations favored Yiddish or Hebrew, a few DP newspapers also appeared in other languages such as Polish, Romanian or, as in the case of Utunk (Our Way), Hungarian.

The Jewish National Fund (Keren Kayemet Leisrael, KKL) was founded in 1901 at the 5th Zionist Congress in Basel. The aim of the fund was to collect donations worldwide to support the Jewish settlement movement in what was then Palestine. After the founding of the State of Israel, the KKL focused its work on the cultivation and reforestation of the country.

The Jewish Agency for Palestine (Heb. Sochnut) was founded in 1922 as the official body of the Jewish population living in what was then Palestine. It represented their interests before the governing authorities of the British Mandate and the League of Nations. After the founding of the State of Israel in 1948, the organization changed its name and, as the Jewish Agency for Israel, increasingly promoted immigration and the integration of new migrants.

Pechach is a Hebrew acronym for Partisanim—Chayalim—Chaluzim, meaning partisans—soldiers—pioneers. The newspaper Pechach was published for the movement of the same name in Munich from June 1946 until December 1948.

Dror (Heb. freedom) is a socialist-Zionist youth movement founded in Russia before World War I. The organization was also represented in Poland, the Baltic States, Romania, and Hungary. Dror members came mainly from the proletarian milieu and were active in many DP camps for children and youths.