

| Travis, Anthony S., “From Color Science to Polymers and Sulfa Drugs.” Chemical Heritage 23: 3 (Fall 2005), 8-13. Copyright Chemical Heritage Foundation. Reproduced with Permission. |






| Text based on the book by Anthony S. Travis, Dyes Made in America 1915-1980: The Calco Chemical Company, American Cyanamid and the Raritan River (Jeremy Mills Publishing), 2004. ColorantsHistory.Org thanks the following organizations for their permission to reproduce the photographs used in this article: Sidney M. Edelstein Collection, Jewish National and University Library, Jerusalem Chemical Heritage Foundation Collections, Philadelphia North Jersey Section, American Chemical Society |

| Dr. Victor L. King-1920. Chemist and LaterTechnical Director of Calco Source: American Cyanamid, A Half Century at Bound Brook 1915-1965 |
| Calco Chemical Company and American Cyanamid |