The newly independent Second Polish Republic had a large and vibrant Jewish minority. By the time World War II began, Poland had the largest concentration of Jews in Europe although many Polish Jews had a separate culture and ethnic identity from Catholic Poles. Some authors have stated that only about 10% of Polish Jews during the interwar period could be considered "assimilated" while more than 80% could be readily recognized as Jews.[86]

According to the 1931 National Census there were 3,130,581 Polish Jews measured by the declaration of their religion. Estimating the population increase and the emigration from Poland between 1931 and 1939, there were probably 3,474,000 Jews in Poland as of 1 September 1939 (approximately 10% of the total population) primarily centered in large and smaller cities: 77% lived in cities and 23% in the villages. They made up about 50%, and in some cases even 70% of the population of smaller towns, especially in Eastern Poland.[87] Prior to World War II, the Jewish population of Łódź numbered about 233,000, roughly one-third of the city’s population.[88] The city of Lwów (now in Ukraine) had the third-largest Jewish population in Poland, numbering 110,000 in 1939 (42%). Wilno (now in Lithuania) had a Jewish community of nearly 100,000, about 45% of the city's total.[89] In 1938, Kraków's Jewish population numbered over 60,000, or about 25% of the city's total population.[90] In 1939 there were 375,000 Jews in Warsaw or one-third of the city's population. Only New York City had more Jewish residents than Warsaw.

The major industries in which Polish Jews were employed were manufacturing and commerce. In many areas of the country, the majority of retail businesses were owned by Jews, who were sometimes among the wealthiest members of their communities.[91] Many Jews also worked as shoemakers and tailors, as well as in the liberal professions; doctors (56% of all doctors in Poland), teachers (43%), journalists (22%) and lawyers (33%).[92]

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L. L. Zamenhof, creator of Esperanto

Jewish youth and religious groups, diverse political parties and Zionist organizations, newspapers and theatre flourished. Jews owned land and real estate, participated in retail and manufacturing and in the export industry. Their religious beliefs spanned the range from Orthodox Hasidic Judaism to Liberal Judaism.

The Polish language, rather than Yiddish, was increasingly used by the young Warsaw Jews who did not have a problem in identifying themselves fully as Jews, Varsovians and Poles. Jews such as Bruno Schulz were entering the mainstream of Polish society, though many thought of themselves as a separate nationality within Poland. Most children were enrolled in Jewish religious schools, which used to limit their ability to speak Polish. As a result, according to the 1931 census, 79% of the Jews declared Yiddish as their first language, and only 12% listed Polish, with the remaining 9% being Hebrew.[93] In contrast, the overwhelming majority of German-born Jews of this period spoke German as their first language. During the school year of 1937–1938 there were 226 elementary schools [94] and twelve high schools as well as fourteen vocational schools with either Yiddish or Hebrew as the instructional language. Jewish political parties, both the Socialist General Jewish Labour Bund (The Bund), as well as parties of the Zionist right and left wing and religious conservative movements, were represented in the Sejm (the Polish Parliament) as well as in the regional councils.[95]

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Isaac Bashevis Singer (Polish: Izaak Zynger), achieved international acclaim as a classic Jewish writer and was awarded the Nobel Prize in Literature in 1978

The Jewish cultural scene [96] was particularly vibrant in pre–World War II Poland, with numerous Jewish publications and more than one hundred periodicals. Yiddish authors, most notably Isaac Bashevis Singer, went on to achieve international acclaim as classic Jewish writers; Singer won the 1978 Nobel Prize in Literature. His brother Israel Joshua Singer was also a writer. Other Jewish authors of the period, such as Bruno SchulzJulian TuwimMarian HemarEmanuel Schlechter and Bolesław Leśmian, as well as Konrad Tom and Jerzy Jurandot, were less well known internationally, but made important contributions to Polish literature. Some Polish writers had Jewish roots e.g. Jan Brzechwa (a favorite poet of Polish children). Singer Jan Kiepura, born of a Jewish mother and Polish father, was one of the most popular artists of that era, and pre-war songs of Jewish composers, including Henryk WarsJerzy PetersburskiArtur GoldHenryk GoldZygmunt BiałostockiSzymon Kataszek and Jakub Kagan, are still widely known in Poland today. Painters became known as well for their depictions of Jewish life. Among them were Maurycy GottliebArtur Markowicz, and Maurycy Trebacz, with younger artists like Chaim Goldberg coming up in the ranks.

Many Jews were film producers and directors, e.g. Michał Waszyński (The Dybbuk)Aleksander Ford (Children Must Laugh).

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Shimon Peres, born in Poland as Szymon Perski, served as the ninth President of Israel between 2007 and 2014

Scientist Leopold Infeld, mathematician Stanislaw UlamAlfred Tarski, and professor Adam Ulam contributed to the world of science. Other Polish Jews who gained international recognition are Moses SchorrLudwik Zamenhof (the creator of Esperanto), Georges CharpakSamuel EilenbergEmanuel Ringelblum, and Artur Rubinstein, just to name a few from the long list. The term "genocide" was coined by Rafał Lemkin (1900–1959), a Polish-Jewish legal scholar. Leonid Hurwicz was awarded the 2007 Nobel Prize in Economics. The YIVO (Jidiszer Wissenszaftlecher Institute) Scientific Institute was based in Wilno before transferring to New York during the war. In Warsaw, important centers of Judaic scholarship, such the Main Judaic Library and the Institute of Judaic Studies were located, along with numerous Talmudic Schools (Jeszybots), religious centers and synagogues, many of which were of high architectural quality. Yiddish theatre also flourished; Poland had fifteen Yiddish theatres and theatrical groups. Warsaw was home to the most important Yiddish theater troupe of the time, the Vilna Troupe, which staged the first performance of The Dybbuk in 1920 at the Elyseum Theatre. Some future Israeli leaders studied at University of Warsaw, including Menachem Begin and Yitzhak Shamir.

There also were several Jewish sports clubs, with some of them, such as Hasmonea Lwow and Jutrzenka Kraków, winning promotion to the Polish First Football League. A Polish-Jewish footballer, Józef Klotz, scored the first ever goal for the Poland national football team. Another athlete, Alojzy Ehrlich, won several medals in the table-tennis tournaments. Many of these clubs belonged to the Maccabi World Union.


presentation Section: Previous Generations