Potter Peter Wallace takes his place behind his wheel and begins to shape clay into the classical forms for which he is renowned. The clay turns, rises and appears in the perfect symmetry that pleases the eye and uplifts the soul. But more is to come. “Come over here,” he invites. We walk to another room and there, on rough-hewn planks, stand vases of radiant beauty. There were no Natural clays in Broken Hill where Peter grew up, but zinc was mined and this is an essential element in the production of exquisite crystalline glazes that have become his professional trademark