Dr. Roberta Olson, the Curator of Drawings at the New-York Historical Society, is an art historian with an impressive curriculum of publications, mostly in the field of Italian art. With what would be judged today as a decidedly old-fashioned methodology, she has brought together three elements of an early-fourteenth-century Florentine triptych—elements that had for centuries lived separate lives and whose intimate relationship to each other had never before been suspected. The small but illuminating exhibition mounted by Dr. Olson features the “reunited” triptych, the central panel of which has been part of the NYHS collections since the mid-nineteenth century. This modestly sized image represents an enthroned Virgin and Child surrounded by ten standing Saints: in iconography, known as a Maestà(Majesty). It and its side panels or “wings” have long been attributed to Taddeo Gaddi (1290–1366), a devoted pupil and intimate collaborator of the great initiator of Early Renaissance painting in Italy,