xiii 49. Botticelli, Castello Annunciation, Galleria degli Uffizi, Florence ...... 158

50. Alessio Baldovinetti, Annunciation, Galleria degli Uffizi, Florence ...... 159

51. Francesco Traini, Triumph of St. Thomas, Santa Caterina, Pisa ...... 185

52. Francesco Traini, Triumph of St. Thomas, detail showing Christ with nine rays of inspiration descending from his mouth Santa Caterina, Pisa ...... 186

53. Francesco Traini, Triumph of St. Thomas, detail showing St. Mark and the ray of inspiration from Christ, which is visible crossing the halo of the Saint, Santa Caterina, Pisa ...... 187

54. Francesco Traini, Triumph of St. Thomas, detail showing Plato and the absence of a ray of inspiration from Christ, Santa Caterina, Pisa ...... 188

55. Pietro Perugino, Lunette with Prudence, Justice, and Six Uomini Famosi, from the Collegio del Cambio, Perugia ...... 189

56. View of the Collegio del Cambio, with fresco decoration by Pietro Perugino, Perugia. The lunette depicting God the Father over Jewish Uomini and the Sibyls is to the right and the Nativity is at right center ...... 190

57. Pinturicchio, Dialectic, from the Sala delle Arti Liberali, the Borgia Apartments, the Vatican...... 191

58. Pinturicchio, Geometry, from the Sala delle Arti Liberali, the Borgia Apartments, the Vatican...... 192

59. Pinturicchio, Music, from the Sala delle Arti Liberali, the Borgia Apartments, the Vatican...... 193

60. Mosaic panel depicting Hermes Trismegistus, from the floor of the Duomo, Siena...... 194

61. Pinturicchio, Io-Isis and Moses as the Sources of Egyptian Law and Letters, fresco decoration of the Sala dei Santi, the Borgia Apartments, the Vatican ...... 195

62. Luca Signorelli, The Testament and Death of Moses, detail with the nude figure in the lower left corner, south wall of the Sistine Chapel, the Vatican, c. 1481 ...... 196

63. Raphael, School of Athens, fresco on the east wall of the Stanza della Segnatura, the Vatican, Rome...... 253