What sovereign duke of the Duchy of Saxe-Coburg and Gotha, composed the opera Diana von Solange in 1858?
Diana von Solange Diana von Solange is an opera by the German prince Ernst II of Saxe-Coburg-Gotha, an amateur composer. It was premiered in 1858. In 1859, Franz Liszt wrote an orchestral "Festmarsch nach Motiven von E. H. z. S-C-G", S.116, based on themes from "Diana von Solange" (E. H. z. S-C-G was short for Ernst Herzog zu Sachsen-Coburg-Gotha).
Louis Ferdinand, Prince of Prussia Louis Ferdinand Victor Edward Albert Michael Hubert, Prince of Prussia (German: "Louis Ferdinand Viktor Eduard Albert Michael Hubertus Prinz von Preußen"; 9 November 1907 – 26 September 1994) was a member of the royal House of Hohenzollern and pretender to the abolished German throne. He was also noteworthy as a staunch opponent of the Nazi Party, a businessman, and a patron of the arts.