Florentine painting painting for the next half millennium. Many other Renaissance artists painted versions of "the Last Supper", but only Leonardo's was destined to be reproduced countless times in wood, alabaster, plaster, lithograph, tapestry, crochet and table-carpets. Apart from the direct impact of the works themselves, Leonardo's studies of light, anatomy, landscape, and human expression were disseminated in part through his generosity to a retinue of students. In 1508 Pope Julius II succeeded in getting the sculptor Michelangelo to agree to continue the decorative scheme of the Sistine Chapel. The Sistine Chapel ceiling was constructed in such a way that there were
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