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Maria Anna Angelica Kauffmann was a Swiss Neoclassical painter who had a successful career in London and Rome. Remembered primarily as a history painter, Kauffmann was a skilled portraitist, landscape and decoration painter. She was, along with Mary Moser, one of two female painters among the founding members of the Royal Academy in London in 1768.
Kaspar Heinrich Merz was a Swiss draftsman and copper and steel engraver. From 1821, with the help of "a few patrons", he was "apprenticed" to the copper engraver Johann Jakob Lips in Zurich for four years. He also worked as an engraver for the magazine Historical Entertainment. Merz had also acquired a reputation for his color engravings, some of which he created over years of individual work.
Hermann Groeber was a German painter who was known throughout Germany as a portraitist and landscape artist.
Hermann Groeber gained early success as a self-employed painter. He joined the German Association of Artists, and after Ludwig Schmid-Reutte was appointed to Karlsruhe, Groeber took over his class of nude acts, which soon enjoyed great popularity.