Hans Knappertsbusch
Very early in Hitler's rule, Pfitzner received an injunction from Hans Frank (by this time Justice Minister in Bavaria) and Wilhelm Frick (Interior Minister in Hitler's own cabinet) against traveling to the Salzburg Festival in 1933 to conduct his violin concerto. Pfitzner had managed to gain a stable conducting contract from the Munich opera in 1928, but ran into demeaning treatment from chief conductor Hans Knappertsbusch and from the opera house's intendant, a man named Franckenstein.