What was Ignaz von Seyfried and Franz von Suppé's nationality?
Franz von Suppé Franz von Suppé or Francesco Suppé Demelli (18 April 181921 May 1895) was an Austrian composer of light operas and other theatre music. He came from the Kingdom of Dalmatia, Austro-Hungarian Empire (now part of Croatia). A composer and conductor of the Romantic period, he is notable for his four dozen operettas.
Isidor Seiss Isidor Seiss (23 December 184025 September 1905) was a German composer, conductor, pianist, piano pedagogue and philanthropist. His surname also appears as Seiß, and his first name also appears as Isidore.