For 10 points, name this man, the composer of the "Radetzky March" and the father of the similarly-named "Waltz King."
His professional music career began as part of Michael Pamer's orchestra, where he played the viola. His work at the Sperl garnered him the nickname "the Austrian Napoleon." The inspiration for his major work was a man who worked as Schwarzenberg's chief of staff and led the victories at Custoza and Novara before becomming governor of Lombardy-Venetia throughout the 1850s. For 10 points, name this man, the composer of the "Radetzky March" and the father of the similarly-named "Waltz King."
His professional music career began as part of Michael Pamer's orchestra, where he played the viola.
{J}ohann {Strauss the Elder} [prompt on partial answer]