With approximately 50 years in the suppressor community, having studied and written articles on hundreds of suppressors, designed and implemented the 1997 and 1999 Suppressor Trials, Dan Shea will present an historical view of suppressor design & evolution. Drawing the famed Silencer Course that he and Dr. Philip Dater developed and taught for 25+ years, the roots of the technology will be discussed with anecdotal photos and discuss modern developments.