Original: Frescos The wall paintings were executed by the most respected painters of the 15th century : Pietro Perugino , Sandro Botticelli , Domenico Ghirlandaio , Cosimo Rosselli , Luca Signorelli and their respective workshops , which included Pinturicchio , Piero di Cosimo and Bartolomeo della Gatta .
Simplified: The artists ' names were Domenico Ghirlandaio , Sandro Botticelli , Perugino , Cosimo Rosselli , Pinturicchio , Benedetto Ghirlandaio , Luca Signorelli and Bartolomeo della Gatta .