Identify the INCORRECT statement about Wagner.

a$.$ Exiled from Germany and its opera houses, he lived in Switzerland for twelve years.

b$.$ His opera Rienzi was enthusiastically received in Dresden, and he was offered the post of opera director for the city.

c$.$ His father$-$in$-$law was Franz Liszt.

d$.$ Recognizing the genius of his Ring cycle, opera houses clamored to produce this magnificent work.

e$.$ After producing three of his operas, he fled Dresden due to his accumulated debt and radical political activities.