"Elias Gottlob Haussmann (also Haußmann or Hausmann) (1695 – 11 April 1774) was a German painter in the late Baroque era. Haussmann served as court painter ...
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at Dresden, and from 1720 as the official portraitist at Leipzig. He is mostly known for his portrait of Johann Sebastian Bach which was painted in 1746." - (en.wikipedia.org 30.01.2020)