The document summarizes the key developments and major figures of the High Renaissance period in Italy from the 15th to early 16th centuries. It describes how artists like Leonardo da Vinci, Michelangelo, Raphael, and Titian produced unparalleled works through mastering techniques like linear perspective and idealized forms that infused religious themes with classical realism and beauty. Their works realized the full potential of familiar subjects and marked the culmination of visual and aesthetic knowledge in the brief span of the High Renaissance.