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 miniatures by Holbein that survive reveal his mastery of "limning", as the technique was called. His miniature portrait of Jane Small, with its rich blue background, crisp outlines, and absence of shading, is considered a masterpiece of the genre. According to art historian Graham Reynolds, Holbein "portrays a young woman whose plainness is scarcely relieved by her simple costume of black-and-white materials, and yet there can be no doubt that this is one of the great portraits of the world. With remarkable objectivity Holbein has not added anything of himself or subtracted from his sitter's image; he has seen her