„The question has been raised at the Academy whether in addition to my Swiss citizenship I also claim rights to Prussian citizenship. At the Academy’s prompting I had a discussion with Dr. von Rottenburg at the Ministry of Culture about this. He resolutely held the view that my engagement by the Academy was connected with legal acquisition of Prussian citizenship, as no grounds for a contrary interpretation can be drawn from the files. I raise no objection to this interpretation. “