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
Sistine Chapel layer of animal glue and "lamp black", all of the wax, and all of the overpainted areas were contamination of one sort or another: smoke deposits, earlier restoration attempts, and painted definition by later restorers in an attempt to enliven the appearance of the work. Based on this decision, according to Arguimbau's critical reading of the restoration data that have been provided, the chemists of the restoration team decided upon a solvent that would effectively strip the ceiling down to its paint-impregnated plaster. After treatment, only that which was painted "buon fresco" would remain. The only reproduction of the Sistine