Here is an excerpt from a 2003 Shotgun World article "Peer review: The Krieghoff Essencia"
"Rounding out the team of German experts working on the Krieghoff Essencia is Jrg Schilling and his firm Schilling Spezialbeschichtungen GmbH. Jrg worked with scientists at the University of Chicago to develop a 20th century approach to the traditional bone-and-charcoal method of the case hardened finish on the Krieghoff Essencia"
He learned a lot from Oscar...many did.
Dr. gaddy also said that Schilling tried to get in to see Turnbull, but he was turned away
CJ
