Isidore Pils (French, 1815-1875)
Alfred William Finch (Belgian, 1854 –1930)
Luigi Sabatelli (Italian, 1772 - 1850)
Jacques Callot (French, 1592-1635)
Joseph Crawhall (English, 1861 – 1913)
Marking of lines and areas of tone onto paper/other material, where the accurate representation of the visual world is expressed upon a plane surface.