Search Only Images Download this image Portrait of Robert Dudley No info available for book source. Image ID: SIL-SIL14-D5-05 Supplied Caption: Portrait of Robert Dudley. Engraving by J. Brown, 19th C. After George Perfect Harding after Nicolas Hilliard, ca. 1537-1619. Tags: Engineering, Dudley, Robert (1574-1649) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?