Cosmas Indicopleustes (6th century)
Topographia Christiana, 11th century
Florence, Biblioteca Medicea Laurenziana, Pl. 82.10, ff. 95v-96r (facsimile)
Cosmas rejected the classical view of the cosmos as a sphere. He saw the Earth and the universe as a tabernacle. Our planet has a rectangular shape with its sides supporting the vault of heaven.