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.
Franz Wilhelm Schweigger-Seidel Franz Wilhelm Schweigger-Seidel (16 October 1795 – 5 June 1838); born as Franz Wilhelm Seidel was a German physician and chemist born in Weißenfels. He was the father of physiologist Franz Schweigger-Seidel (1834–1871).