In 1963, the Goethe Institute awarded him the Goethe Medal in Gold for meritorious work in the service of German culture in a foreign country. In 1965, he was elected first vice-president of the Modern Language Association. In 1968, he was conferred an honorary doctorate by the University of Michigan and awarded the Prize for Germanic Studies Abroad by the Deutsche Akademie für Sprache und Dichtung. In 1973, he was elected to the Göttingen Academy of Sciences as a corresponding member. In 1974, he received the Eichendorff Medal of the Eichendorff Society. In 1975, he received the Culture Prize of Upper Silesia awarded by the state of North Rhine-Westphalia and on this occasion delivered an address describing his Silesian boyhood, including the everyday anti-Semitism he had experienced there. On his sixty-fifth birthday in 1976, he was honored with a Festschrift. That year, he also received the Friedrich Gundolf Prize for Conveying German Culture Abroad from the Deutsche Akademie für Sprache und Dichtung. In 1983, he was awarded the Georg Dehio Prize for Cultural and Intellectual History. References Books Stefan Brockhoff (i.e., Oskar Koplowitz, Dieter Cunz, and Richard Plaut). 1935. Schuß auf die Bühne. Detektiv-Roman. Goldmanns Detektiv-Romane. Leipzig: Wilhelm Goldmann. 244 pages. 2nd ed.: Schuß auf die Bühne. Kriminal-Roman. Goldmanns Kriminal-Romane, no. 79. Munich: Wilhelm Goldmann, 1965. 214 pages. Stefan Brockhoff (i.e., Oskar Koplowitz, Dieter Cunz, and Richard Plaut). 1936. Musik im Totengässlein. Detektiv-Roman. Goldmanns Roman-Bibliothek, no. 29. Leipzig: Wilhelm Goldmann. 217 pages. 2nd ed.: Musik im Totengässlein. Kriminal-Roman. Goldmanns Kriminal-Romane, no. 69. Munich: Wilhelm Goldmann, 1965. 203 pages. 3rd ed.: Musik im Totengässlein. Detektiv-Roman, ed. Paul Ott and Kurt Stadelmann. Schweizer Texte, Neue Folge, no. 25. Zurich: Chronos, 2007. 205 pages. Oskar Koplowitz. 1936. Otto Brahm als Theaterkritiker. Mit Berücksichtigung seiner literarhistorischen Arbeiten. Doctoral dissertation, University of Basel. Zurich: Max Niehans. viii + 218 pages. Oskar Seidlin. 1978. Der Theaterkritiker Otto Brahm. Bonn: Bouvier. viii + 216 pages. Stefan Brockhoff (i.e., Oskar Koplowitz, Dieter Cunz, and Richard Plaut). 1937. Drei Kioske am See. Goldmanns Roman-Bibliothek. Leipzig: Wilhelm Goldmann. 217 pages. 2nd ed.: Drei Kioske am See. Kriminal-Roman. Goldmanns Kriminal-Romane, no. 73. Munich: Wilhelm Goldmann, 1964. 204 pages. Oskar Seidlin. 1937. Pedronis muss geholfen werden! Eine Erzählung für die Jugend, with illustrations by Felix Hoffmann. Aarau: H. R. Sauerländer. 232 pages. Oskar Seidlin. 1942. Der goldene Apfel. Eine Erzählung für die Jugend, abridged ed. with questions, exercises, and vocabulary by Ann