Conversation so far:
Can you tell me about Paul Klee and his mature career?
In 1919, Klee applied for a teaching post at the Academy of Art in Stuttgart.
Did Paul Klee get the position of teching post at Stuttgart?
This attempt failed but he had a major success in securing a three-year contract (with a minimum annual income) with dealer Hans Goltz
Did Paul Klee keep the contract with Hans Goltz?
Are there any other interesting aspects about Paul Klee's mature career?
Klee was also a member of Die Blaue Vier (The Blue Four), with Kandinsky, Lyonel Feininger, and Alexej von Jawlensky; formed in 1923, they lectured and exhibited together.
Was Paul Klee successful with his teaching at the Bauhaus?
Paul Klee was a Form master in the bookbinding, stained glass, and mural painting workshops and was provided with two studios.

Question: Can you tell me what is a form master?
Self-contained rewrite: Can you tell me what is a form master?