Question: Klaus Bietenholz was an admirer of what Swiss-German artist who wrote "Writings on Form and Design Theory?"
Sentence (from "Klaus Bietenholz"): An admirer of Paul Klee, Juan Gris, Alexander Calder, and César Manrique, his painting style has been described as "Organic-Cubism" by Dominique Vernier.
Relevant evidence: Yes