What was Ignaz von Seyfried and Franz von Suppé's nationality?
Ignaz von Seyfried Ignaz Joseph Ritter von Seyfried (15 August 1776 – 27 August 1841) was an Austrian musician, conductor and composer. He was born and died in Vienna. According to a statement in his handwritten memoirs he was a pupil of both Wolfgang Amadeus Mozart and Johann Albrechtsberger. He published Albrechtsberger's complete written works after his death. His own pupils included Franz von Suppé, Heinrich Wilhelm Ernst, Antonio Casimir Cartellieri, Joseph Fischhof and Eduard Marxsen.
Karl Seubert Karl Friedrich Otto Seubert (6 April 1851 – 31 January 1942) was a prominent German chemist notable for his work on atomic weights of platinum elements. He was the son of the German botanist Moritz August Seubert and Maria Seubert.