The Workshop in Lyon In the narrow streets of Lyon, near the church of Saint-Nizier, the air once held the scent of pigments and the heat of a glassmaker's furnace. Claude Guinet lived and worked in this environment, a place where the boundaries between painting on wood and the delicate art of stained glass were often blurred. By 1496, he was a recognized figure in the local guild, signing the statutes of the painters, glass painters,…