This document provides information on several key figures and works from the Early Renaissance period in Italy. It discusses Filippo Brunelleschi's innovations in architecture including his use of linear perspective and dome design for the Florence Cathedral. It also outlines the contributions of Leon Battista Alberti, including his treatises on classical architecture and designs such as the Palazzo Rucellai. The document further examines works by Giuliano da Sangallo, Andrea Mantegna, and Pietro Perugino that demonstrated developments in architectural planning and fresco painting during the 15th century Renaissance.