The Cosimo convex mirror is named for the most glamorous of the ruling Medici. He came to become the Grand Duke through a series of plots and assassinations. He was only 17. He reigned till he died in 1574. He was renown for his support of the arts, architecture, archeology, the natural sciences and civic construction( roads, ports, drainage projects). He renewed the administration of justice by issuing a new criminal code, creating an efficient judicial system and police force. All in all, he was an enlightened despot who improved and advanced Florence and Tuscany.