Otto Henry Bacher (American, 1856 - 1909)
Jacques Dumont (French, 1704 - 1781)
Sarah Cecilia Harrison (Irish, 1863 – 1941)
Charles Haslewood Shannon (English, 1863-1937)
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.