Oskar Koplowitz (1911-1984), German-born US author, known as Oskar Seidlin
He is also said to have co‑authored several detective novels or Kriminalromane in collaboration with Dieter Cunz and Richard Plant (1910–1998, his lover) under the collective pen‑name of Stefan Brockhoff.
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In 1936 he received a doctorate from the University of Basle (Universität Basel) with a dissertation on Otto Brahm (1856–1912), written under the supervision of Franz Zinkernagel (1878–1935) and Eduard Hoffmann‑Krayer (1864–1937).
Oskar Kokoschka | Oskar Schindler | Lee Oskar | Paul Oskar Kristeller | Oskar Sima | Oskar Pfister Award | Oskar Luts | Oskar Linnros | Oskar Kohnstamm | Oskar Fischinger | Oskar Eustis | Oskar von Miller | Oskar Vogt | Oskar Sosnowski | Oskar Seidlin | Oskar Schlemmer | Oskar Piotrowski | Oskar Homolka | Oskar Heil | Óskar Halldórsson | Oskar Barnack | Viktor Oskar Tilgner | Oskar von Watter | Oskar von Hutier | Oskar von Hindenburg | Oskar Skarsaune | Oskar Schmiedel | Oskar Sala | Oskar Rohr | Oskar R. Lange |
He is also said to have co‑authored several detective novels or Kriminalromane in collaboration with Oskar Seidlin and Richard Plant (1910–1998) under the collective pen‑name of Stefan Brockhoff (q.v.).