The Creation of Adam famous for his central figure of "Moses", completed in 1516. Of the other statues intended for the tomb, two known as the "Rebellious Slave" and the "Dying Slave", are now in the Louvre. During the same period, Michelangelo painted the ceiling of the Sistine Chapel, which took approximately four years to complete (1508–1512). According to Condivi's account, Bramante, who was working on the building of St Peter's Basilica, resented Michelangelo's commission for the Pope's tomb and convinced the Pope to commission him in a medium with which he was unfamiliar, in order that he might fail at the task. Michelangelo
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