819491 Portrait of Isaac Barrow (engraving) by Whood, Isaac (c.1688-1752); Private Collection; (add.info.: Isaac Barrow, English Christian theologian and mathematician, from the original picture by Isaac Whood in Trinity College, Cambridge. Engraved by B Holl. Under the Superintendance of the Society for the Diffusion of Useful Knowledge. Published by Charles Knight, Ludgate Street & Pall Mall East, London.); Look and Learn / Elgar Collection; British, out of copyright.