The Prophet Isaiah (Raphael) The Prophet Isaiah (Raphael) The Prophet Isaiah is a fresco located in Basilica di Sant'Agostino, an early Renaissance church in Rome. It is an Italian Renaissance painting, influenced by Michelangelo's work on the Sistine Chapel ceiling. Isaiah, a powerful figure, gives the illusion of a three-dimensional character, flanked by putti figures. He carries a scroll inscribed with a supplication in Hebrew for entry into Heaven (Isaiah XXVI:2–3). Above him is a dedication in Greek to Saint Anne. Due to wear, Raphael's work has been retouched by other painters over time. In 1960, the fresco was restored to Raphael's vision. Johann
Restoration of the Sistine Chapel frescoes watercolour, to integrate the pictorial material. These areas are distinctively textured with vertical brushstrokes, not visible from a distance but easily discernible as restoration work when viewed close up. Certain small areas were left unrestored, in order to maintain a physical record of the previous restorations that had taken place, for example, an area left with overpainting and candle wax, and another area demonstrating the attempt to counteract salination with oil. Once the many layers of candle wax, varnish, and animal glue were removed from the surface of the Sistine Chapel frescoes, they became subject to dangers that could not