Cosimo I de Medici

Cosimo I de Medici (1519-1574) was the first Grand Duke of Tuscany and a prominent member of the Medici family. He played a crucial role in consolidating the family's power in Florence and was instrumental in the construction of the Vasari Corridor, which connected key political and residential buildings. His reign marked the beginning of a new era in Florentine governance, characterized by artistic patronage and the establishment of a centralized state.