Leonardo then traveled between Milan and Florence, visiting his half-siblings and such, until 1513 when he returned to Rome to continue his scientific studies. He lived in the Palazzo Belvedere until about 1516. While in Rome, Leonardo assembled a new workshop in which he commenced a broad assortment of projects on behalf of his patron, Pope Leo X. Though he was initially prohibited from dissecting cadavers (corpses), he sustained a desire to increase his knowledge of human anatomy and composition. Leonardo da Vinci’s scientific drawings were not always faultless, but he conceived ideas for many contemporary inventions and contributed largely to the technical foundations of human mechanics until his