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Re: . First, please avoid edit summaries with insults like "you need to get your eyes tested". Second, the ref just says that his father had Polish citizenship. Klaus was in Danzig at the outbreak of the war and the ref said that "he volunteered for the SS Home Guard Danzig" - if he had been Polish this was would have been impossible. Then he says "The regular home guard didn't accept us ethnic Germans" - so the source very clearly says he was a German. The inclusion of "Polish" in the lede appears to be intended to suggest an ethnicity, which is obviously false. If we're going by citizenship, then go to the Copernicus article and add that he was a Polish astronomer there. Anyway, the source doesn't even establish his citizenship and this kind of extrapolation from a single ambiguous line from a source which cannot be easily verified is a bit too much.Volunteer Marek (talk) 23:53, 24 August 2011 (UTC)
Actually the source says that the family had Polish citizenship, not just the father. Phil Bridger (talk) 10:29, 25 August 2011 (UTC)
I clarified this, it's true that he held citizenship of Polish state, but didn't share the ethnicity.--MyMoloboaccount (talk) 08:33, 25 August 2011 (UTC)