Leonardo Dati
1360-1425
The Sphere
1470-1480
Firenze, Biblioteca Riccardiana, 1774
A didactic poem in 144 octaves, The Sphere was composed by Leonardo di Stagio Dati, a Dominican friar of Santa Maria Novella. It belongs to the tradition of medieval cosmographic poems. The image shows the four elements up to the heaven of the Moon.