Search Only Images Download this image Portrait of Julius Plucker No info available for book source. Image ID: SIL-SIL14-p004-06 Supplied Caption: Portrait of Julius Plucker. Lithograph by Rudolf Hoffmann, fl. ca. 1840. Tags: mathematics, physics, Plucker, Julius (1801-1868) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?