Historic Overview Oskar Tietz
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Oscar Tietz (April 18, 1858, Birnbaum/Warthe, Posen - January 17, 1923, Klosters) was a Jewish-German businessman (Unternehmer)
A nephew of Hermann Tietz, he joined his uncle's department store concern in Berlin. The two became founders of the Hertie, KaDeWe.