“T I drew, using a mirror; it is my own likeness, in the year 1484, when I was still a child,” wrote Albrecht Dürer about his first self-portrait, sketched with great confidence and skill when he was 13 years old (1). Fascinated by his own image, he continued to paint it throughout his life. His faithful dog once barked and wagged its tail at a newly completed self-portrait of his master, relat...