David Robilliard, Don't Get Sand in Your Boiled Eggs, 1988Photography by Paul Knight; Courtesy private collection, Berlin. © The Estate of David Robilliard. All rights reserved. DACS 2014The boundary between art and humour has a very high fence, guarded by an army of stony jawed critics who work to ensure that few artists can cross safely into the world of wit and whimsy without suffering a pounding. Yet David Robilliard, the self-taught, Guernsey-born artist who came to London in the 80s, teetered happily along the boundary, creating his own line in comedic visual poetry, scribing witty, poignant m...