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
The Ambassadors (Holbein) (2004), who concludes that "the general coherence of the evidence assembled by Hervey is very satisfying"; however, North also notes that, despite Hervey's research, "[R]ival speculation did not stop at once and is still not entirely dead". Giles Hudson, for example, has argued that the man on the right is not de Selve, but Jean's brother François, Bishop of Auxerre, a noted patron of the arts with a known interest in mathematical instruments. The identification finds support in the earliest manuscript in which the painting is mentioned, a 1589 inventory of the Chateau of Polisy, discovered by Riccardo Famiglietti. However,