Secret of tempera’s pleasing properties is how egg yolk interacts with pigment

Enlarge / Detail of Michelangelo’s unfinished painting The Virgin and Child with Saint John and Angels (tempera on wood, ca. 1497), aka The Manchester Madonna. The outlines of two angelic figures on left are rendered in green earth tempera underpaint. (credit: The National Gallery London/Public domain) Tempera is a painting medium that has been used […]