Date of Birth: 
About Oscar Tietz
- 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.
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