Tucked in behind the Duomo in Florence is a easy-to-miss art museum. In it you will see the originals of Ghiberti's Baptistry doors. You will also see this great work, which, so I've read, has the artist's face as the face of Christ. Was Michelangelo trying to make a statement about how he felt he had been treated? Maybe. Michelangelo's face also appears as the face of the flayed St. Bartholomew in The Last Judgement in the Sistine Chapel in Rome. St. Bartholomew had also been treated badly by his detractors.