page_title: Boris Blacher
hierarchical_section_title: Boris Blacher
caption_attribution_description: Deutsch: Boris Blacher 1922. Passfoto auf seinem russischen Abiturzeugnis
context_page_description: Boris Blacher was a German composer and librettist.
context_section_description: Boris Blacher (19 January [O.S. 6 January] 1903 – 30 January 1975) was a German composer and librettist.
caption: Blacher, in a passport photo of 1922
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