During a routine inspection of the Cincinnati Art Museum’s cherished Paul Cézanne work titled Still Life with Bread and Eggs, chief conservator Serena Urry noticed something “odd.” What she found lying beneath the surface is a secret that has remained hidden for almost 160 years. No work is safe from time, and for this still life piece from 1865, cracking in the paint is expected. However, Urry noticed that these cracks were concentrated in two particular areas, instead of spread throughout the canvas. And, underneath those cracks, starkly contrasting against the painting’s dark color palette, lay glimmers of bright white....