Sir George Hayter (English, 1792-1871)
Horace Vernet (French, 1789-1863)
Charles Bargue (French, 1826-1883)
Antoine-Jean Gros (French, 1771-1835)
Eugène Delacroix (French, 1798-1863)
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.