Search Only Images Download this image Portrait of Emil Gabriel Warburg No info available for book source. Image ID: SIL-SIL14-w001-05 Supplied Caption: Portrait of Emil Gabriel Warburg. Relief halftone. Clipped from newspaper or magazine. Original Caption: Clipped from newspaper or magazine. Tags: physics, Warburg, Emil Gabriel (1846-1931) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?