"Ozias Humphry (or Humphrey) RA (8 September 1742 – 9 March 1810) was a leading English painter of portrait miniatures, later oils and pastels, of the 18th century. He was elected to the Royal Academy in 1791, and in 1792 he was appointed Portrait Painter in Crayons to the King (i.e. pastels)." - (en.wikipedia.org 12.08.2021)