Anamorphosis before 1583. "The Ambassadors" (c. 1533) by Hans Holbein the Younger is well known for the prominent oblique anamorphic transformation in the painting. In this artwork, a distorted shape lies diagonally across the bottom of the frame. Viewing this from an acute angle transforms it into the plastic image of a human skull. The painting is regarded as a "vanitas" - a meditation on the transience of life - with the skull a symbolic "memento mori". The altered perspective required to see the image reflects the contemporary practice of painting skulls on the reverse of otherwise tranquil paintings. Four centuries
Hans Holbein the Younger so much reverence and kind of heavenly astonishment expressed in a picture". Holbein has been described as "the supreme representative of German Reformation art". The Reformation was a varied movement, however, and his position was often ambiguous. Despite his ties with Erasmus and More, he signed up to the revolution begun by Martin Luther, which called for a return to the Bible and the overthrow of the papacy. In his woodcuts "Christ as the Light of the World" and "The Selling of Indulgences", Holbein illustrated attacks by Luther against Rome. At the same time, he continued to work for Erasmians