Sistine Chapel ceiling identity of the figures in the lunettes and spandrels, continue to defy interpretation. Modern scholars have sought, as yet unsuccessfully, to determine a written source of the theological program of the ceiling and have questioned whether or not it was entirely devised by the artist himself, who was both an avid reader of the Bible and a genius. Also of interest to some modern scholars is the question of how Michelangelo's own spiritual and psychological state is reflected in the iconography and the expression of the ceiling. One such speculation is that Michelangelo was tormented by conflict between homosexual desires
Sistine Chapel ceiling to a strongly projecting painted cornice that runs right around the ceiling, separating the pictorial areas of the biblical scenes from the figures of Prophets, Sibyls, and Ancestors, who literally and figuratively support the narratives. Ten broad painted crossribs of travertine cross the ceiling and divide it into alternately wide and narrow pictorial spaces, a grid that gives all the figures their defined place. A great number of small figures are integrated with the painted architecture, their purpose apparently purely decorative. These include two faux marble "putti" below the cornice on each rib, each one a male and female pair;