Immanuel Kant, philosopher, in an anonymous portrait, circa 1790.
Photo: akg-images
akg1CH-1-C4-B
An undated Japanese woodcut of the Chinese philosopher Confucius.
Photo: akg-images
akg1EN-162-A1
George Henry Harlow's 1809 painting of Francis Bacon, sold on 9
April 1994 by Sotheby's in London.
Photo: Sotheby's / akg-images
akg1FK-297-A1753-2
Maurice Quentin de La Tour's pastel, possibly from 1753, of French
author, philosopher and pedagogue Jean-Jacques Rousseau, now in
the Musée Antoine Lecuyer in Saint-Quentin.