Chinese artist Tan Che Qua visited Georgian London (1769-1772) and exhibited at the Royal Academy. He is painted in Johann Zoffany's The Portraits of the Academicians of the Royal Academy, 1771-72 en.wikipedia.org/... top left hand corner (detail below) and one of his clay work models. Article: goo.gl/JVVewL
Caroline Louise of Hesse-Darmstadt, (1723-1783), Margravine of Baden, 1745,by Jean-Étienne Liotard Dilettante artist, scientist, collector. Learned, spoke 5 languages, corresponded with Voltaire and made Karlsruhe a cultural center. Member of the court orchestra, painted in water colors and had a laboratory set up in the Karlsruhe palace. Her collections form the foundation of the Staatliche Kunsthalle Karlsruhe and the Karlsruhe museum of natural science.
David Garrick with his Wife Eva-Maria Veigel, William Hogarth, 1757-1764. Painted for Garrick, but refused by him. Damaged by Hogarth after whose death it was repaired; presented by Mrs H to Mrs G;artist and sitter quarrelled over this portrait. Garrick was displeased with his likeness and there are signs that Hogarth scored through the eyes. Although Garrick paid 15 pounds for the painting in 1763, it was in Hogarth's studio at the time of the artist's death in the following year.