Sistine Chapel ceiling particular pentimenti, highlights and shadows, and other detailing painted "a secco" – was lost in the removal of various accretions. Vasari Johann Wolfgang Goethe Waldemar Januszczak The art critic and television producer Waldemar Januszczak wrote that when the Sistine Chapel ceiling was recently cleaned, he "was able to persuade the man at the Vatican who was in charge of Japanese TV access to let me climb the scaffold while the cleaning was in progress." Gabriele Bartz and Eberhard König Pope John Paul II Sistine Chapel ceiling The Sistine Chapel ceiling, painted by Michelangelo between 1508 and 1512, is a cornerstone
Sistine Chapel congregations. These included the Christmas Day and Easter masses, at which the Pope himself was the celebrant. The other 27 masses could be held in a smaller, less public space, for which the "Cappella Maggiore" was used before it was rebuilt on the same site as the Sistine Chapel. The "Cappella Maggiore" derived its name, the Greater Chapel, from the fact that there was another chapel also in use by the Pope and his retinue for daily worship. At the time of Pope Sixtus IV, this was the Chapel of Pope Nicholas V, which had been decorated by Fra Angelico.