this is Pietro Perugino
http://www.wga.hu/frames-e.html?/bio/p/perugino/biograph.html
of Italian decent, he assited Pietro della francesca, and was student with Da Vinci in Verrocchio's studio. he was summoned to Rome by Pope Sixtus to help decorate the Sistine chapel, and unfortunately some of his work was destroyed to make room for Michelangelo's work. he also was Raphaelle's teacher. but later in his life he had to move to Perugia since his work in Florence was now old-fashioned.
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