Conversation so far:
What happened to E. T. A. Hoffmann in the provinces?
During the summer of 1798, E. T. A. Hoffmann moved to Berlin.
What caused E. T. A. Hoffmann's move to Berlin?
E. T. A. Hoffmann's uncle, Johann Ludwig Doerffe was promoted to a court in Berlin.
How did E. T. A. Hoffmann deal with the move to Belin?
It was there that E.T.A. Hoffmann first attempted to promote himself as a composer, writing an operetta called Die Maske and sending a copy to Queen Luise of Prussia.

Question: Did he do the caricatures?
Self-contained rewrite: Did E. T. A. Hoffmann do caricatures?