Short answers, pulled from the story.
A limner is an illuminator of manuscripts or a painter of ornamental decoration. Charles Lock Eastlake, in Methods and Materials of Painting, traced the word to the thirteenth and early fourteenth centuries. Eastlake described it as the art which in Paris was called illuminating.
Dame Elizabeth Blackadder was the last holder of His Majesty's Painter and Limner, a position unique to the Royal Household in Scotland. She held it until her death in 2021. The role is honorary and held for life.
The Victoria Limners Society was a group of artists working in Victoria, British Columbia from 1971 through 2008. Its thirteen members worked across painting, sculpting, pottery, and other visual art forms. The group included Maxwell Bates, Myfanwy Pavelic, Robin Skelton, and Karl Spreitz, among others.
Charles Codman was a Maine landscape artist who began his career as a working limner. The Eastern Argus, on the 1st of April 1831, described him as an ornamental and sign painter and a limner whose services included Military, Standard, Fancy, Ornamental, Masonic and Sign Painting.
David Laurent de Lara was a limner who worked in London in the mid-nineteenth century, focusing on manuscripts and documents. His work helped establish illumination as a contemporary artform in its own right, rather than a historical practice.
In colonial America, a limner referred to an unattributed portrait commissioned by the rising merchant class as a status symbol. Landowners and merchants posed in fine clothing, well-appointed interiors, or landscapes to display their property, good taste, and social standing.