The Hugh Lane Gallery and the National Gallery of Ireland are showing the work of the modernists Mainie Jellett and Evie Hone and of their predecessor Sarah Purser—artist, collector, organiser and a force of nature behind the revival of Irish arts and crafts

Andy Warhol the colourist stars in a stand-out exhibition that offers fresh perspectives on curating the world's most familiar artist

After long-running row over the bequest of 19th-century collector Hugh Lane, new deal adds two paintings to rotating loan and greater collaboration between the two museums