"Johann Gottfried Büring (1723 in Berlin or Hamburg – after 1788) was a German master builder and architect of the late Baroque period. He mainly worked ...
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in Potsdam, supervising the construction of the Sanssouci Picture Gallery and designing the Nauener Tor and New Palace there. He also designed the Luisenstädtische Kirche in Berlin." - (en.wikipedia.org 31.01.2020)