"Johann Peter Langer, after 1808, von Langer (baptized 1 July 1756, Kalkum – 6 August 1824, Munich) was a German painter, engraver and wallpaper designer." - (en.wikipedia.org 15.02.2022)
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(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)