"Johan Fredrik Martin (8 June 1755 – 28 September 1816) was a Swedish painter and engraver of the eighteenth century. He worked in a variety of media, especially stipple, contour etching and aquatint." - (en.wikipedia.org 02.02.2021)
en
(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)