Sistine Chapel ceiling He learned his trade first under the direction of a masterly fresco painter, Domenico Ghirlandaio, known for two great fresco cycles in the Sassetti Chapel and Tornabuoni Chapel, and for his contribution to the cycle of paintings on the walls of the Sistine Chapel. As a student Michelangelo studied and drew from the works of the two most renowned Florentine fresco painters of the early Renaissance, Giotto and Masaccio. Masaccio's figures of Adam and Eve being expelled from the Garden of Eden had a profound effect on the depiction of the nude in general, and in particular on the use
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.