Search Only Images Download this image Portrait of Rene Descartes No info available for book source. Image ID: SIL-SIL14-D3-03 Supplied Caption: Portrait of René Descartes. Engraving by William Holl, 1807-1871, published by Charles Knight. After Franz Hals, ca.1582-1666. Tags: physics, mathematics, Descartes, René (1596-1650) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?