OIL PAINTING: The Last Judgement: Christ the Judge, 1541
Michelangelo was commissioned by Pope Julius II della Rovere in 1508 to repaint the ceiling; the work was completed between 1508 and 1512. Michelangelo painted the Last Judgement over the altar, between 1535 and 1541, being commissioned by Pope Paul III Farnese.
The chapel was built between 1475 and 1483, in the time of Pope Sixtus IV della Rovere. A basic feature of the chapel itself, so obvious that it is sometimes ignored, is the papal function, as the pope's chapel and the location of the elections of new popes. Furthermore, the building was in some respects a personal monument to the Della Rovere family, since Sixtus IV saw to its actual construction and the frescoes beneath the vaults, and his nephew Julius II commissioned the ceiling decoration. Oak leaves and acorns abound, heraldic symbols of the family whose name means literally "from the oak."
The Chapel is rectangular in shape and measures 40,93 meters long by 13,41 meters wide, i.e. the exact dimensions of the Temple of Solomon, as given in the Old Testament. It is 20,70 meters high and is surmounted by a shallow barrel vault with six tall windows cut into the long sides, forming a series of pendentives between them. A marble mosaic floor of exquisite workmanship describes the processional itinerary up to and beyond the marble screen, to the innermost space, where it offers a surround for the papal throne and the cardinals' seats. The architectural plans were made by Baccio Pontelli and the construction was supervised by Giovanino de'Dolci.
The walls are divided into three orders by horizontal cornices; according to the decorative program, the lower of the three orders was to be painted with fictive "tapestries," the central one with two facing cycles - one relating the life of Moses (left wall) and the other the Life of Christ (right wall), starting from the end wall, where the altar fresco, painted by Perugino, depicted the Virgin of the Assumption, to whom the chapel was dedicated. The upper order is endowed with pilasters that support the pendentives of the vault. Above the upper cornice are situated the lunettes. Between each window below the lunettes, in fictive niches, run images of the first popes - from Peter to Marcellus - who practiced their ministry in times of great persecution and were martyred.
The wall paintings were executed by Pietro Perugino, Sandro Botticelli, Domenico Ghirlandaio, Cosimo Rosselli, Luca Signorelli and their respective workshops, which included Pinturicchio, Piero di Cosimo and Bartolomeo della Gatta. The ceiling was frescoed by Piero Matteo d'Amelia with a star-spangled sky.