The use of images to supplement words, even typeset among them, goes back at least to the 17th century. Here, in a text explaining his discovery of what would later be understood as Saturn's rings, Galileo gives us two simple line drawings.
Source: Galileo Galilei, Istoria e dimostrazioni intorno alle macchie solari, Rome, 1613.
At the workshops, participants discuss ways in which text and illustration can work together to enhance explanatory effectiveness.
