(b Genoa, Feb 14, 1404; d Rome, April 1472).
Italian architect, sculptor, painter, theorist and writer. The arts of painting, sculpture and architecture were, for Alberti, only three of an exceptionally broad range of interests, for he made his mark in fields as diverse as family ethics, philology and cryptography. It is for his contribution to the visual arts, however, that he is chiefly remembered. Alberti single-handedly established a theoretical foundation for the whole of Renaissance art with three revolutionary treatises, on painting, sculpture and architecture, which were the first works of their kind since Classical antiquity. Moreover, as a practitioner of the arts, he was no less innovative. In sculpture he seems to have been instrumental in popularizing, if not inventing, the portrait medal, but it was in architecture that he found his métier. Building on the achievements of his immediate predecessors, Filippo Brunelleschi and Michelozzo di Bartolomeo, he reinterpreted anew the architecture of antiquity and introduced compositional formulae that have remained central to classical design ever since....