Question: When was the Swiss-German artist died who's lecture is "Writings on Form and Design Theory" and who's design had been compared with abstract Kaitag designs?
Sentence (from "Kaitag textiles"): Kaitag textiles are an unusual embroidered textile art form from the Kaitag district of southwest Daghestan, Russia, inhabited mainly by Dargins and Kumyks.
Relevant evidence: No