Raphael Sanzio,

usually known by his first name alone (in Italian Raffaello) (April 6 or March 28, 1483 – April 6, 1520)[2] was an Italian painter and architect of the High Renaissance, celebrated for the perfection and grace of his paintings and drawings. Together with Michelangelo and Leonardo da Vinci he forms the traditional trinity of great masters of that period.

Source: Wikipedia