For 18 months, the revered art restorer brightened and touched up the 16th century work ‘The Assumption of the Virgin.’ He worked on the frame for another six months. Conservator Frank Zuccari and “The Assumption of the Virgin,” a painting by El Greco that he worked for more than two years to restore. The jumbo-sized El Greco painting, dull with age, had come to look as if it were encased in a thick layer of amber resin. Then, Frank Zuccari turned his attention to it.
Using tiny, sable brushes, hand-rolled cotton swabs and a magnifier headband, he applied feather strokes […]