He lived first in Florence where he compiled astrological tables and produced his first revision of Ptolemy's Geography in 1466. He later moved to Rome where created a pair of globes and a world map for the Vatican Library in 1477.
He initially resided in Florence, where he assembled astrological tables and produced his first revision of Ptolemy's Geography in 1466. Later, he relocated to Rome, creating a pair of globes and a world map for the Vatican Library in 1477.