Martin Gregor-Dellin
Martin Gregor-Dellin (real name Martin Gustav Schmidt) was a German writer noted for his scholarship on the composer Richard Wagner. He was born in 1926 in Naumburg (Saale) and died in 1988 in Grobenzell. His book ''Richard Wagner: Sein Leben, Sein Werk, Sein Jahrhundert'' has been translated into multiple languages. Provided by Wikipedia-
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