Search Only Images Download this image Portrait of Robert William Holley No info available for book source. Image ID: SIL-SIL14-h005-08 Supplied Caption: Portrait of Robert William Holley. Photograph. Autograph signature? Original Caption: Autograph signature? Tags: Biochemistry, Holley, Robert William (1922-1993) Categories: Science Collection(s): Scientific Identity No Copyright - United States Request copy of image How can I use this image?