While on a business trip to Dusseldorf, David Knapp, the famous American foundryman and painter, visited this world class Siempelkamp foundry in Krefeld in 1998 and fortunately today have some recall of the shop layout. This led to as desire to create a painting that was much more than a focus on pour off, (which so many photos show). He wanted a painting to include people, some molding, core setting and…