Abraham Bloemaert (Dutch, 1564-1651)
Ferdinand Boberg (Swedish, 1860-1946)
Ozias Humphrey (English, 1742-1810)
Paul Cézanne (French, 1839-1906)
John Leech (English, 1817-1864)
Eduard Putra (Slovak, 1883-1915)
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.