Portrait of John from the Book of Kells, 8th century Ink on calf skin, Trinity College, Dublin, Ireland What do banyan trees, biomorphic design,graph theory,knot theory,medieval manuscript illumination,Celtic knot work, The Book of Kells, art history and the disciplines of visual art, social studies and mathematics have in common? OVERLAPPING To learn more about the design principle of overlapping click here and scroll down. Click here and scroll down for a definition of overlapping and…