Premise: Ludwig Ruckdeschel (15 March 1907 – 8 November 1986) was the Nazi "Gauleiter" of Bayreuth during final month of the "Gau's" existence before the collapse of Nazi Germany in 1945. Before this, from 1933 to 1941, he served as the deputy of Gauleiter Fritz Wächtler, whom he had executed on orders by Martin Bormann. From 1933 to 1945 he was also a member of the German Parliament, the Reichstag.
Hypothesis: Ludwig Ruckdeschel knew Mandarin.