Abolition campaigner and educator Anthony Benezet instructs black children in an illustration dating from 1850.
Anthony Benezet (1713–1784), Instructing Colored Children, engraving, 1850, unknown artist; source: Barber, John Warner / Barber, Elizabeth G.: Historical poetical and pictorial American scenes, New Haven 1850, wikimedia commons, http://commons.wikimedia.org/wiki/File:Benezet.jpg, public domain.