Search Only Images Visit Image Gallery FAQ page Visit Image Gallery FAQ imggal_sm2.png Portrait of William Gregory Download this image Image ID: SIL-SIL14-g003-09 Supplied Caption: Portrait of William Gregory. Engraving by Conrad Cook, 19th C., published by William Mackenzie, 1860.. Tag(s): chemistry, biology, Gregory, William, 1803-1858 Collection(s): Scientific Identity Topic(s): Chemistry Download: Image No Copyright - United States Request copy of image How can I use this image?