For almost fifty years, Richard B. Christie owned and operated a technical engineering company. He performed specialized environmental testing and adjustments to both industrial-gr...view moreFor almost fifty years, Richard B. Christie owned and operated a technical engineering company. He performed specialized environmental testing and adjustments to both industrial-grade air conditioning and high-performance sterile air filtration systems used in hospitals, pharmaceutical facilities, and research laboratories; that included special areas where high-class clean rooms were required, such as surgeries, sterile manufacturing suites, and testing facilities. At home, most Winter weekends, he was an active volunteer member of the National Ski Patrol and a Certified Ski Patroller at a major Vermont Ski area. He was trained in remote mountain rescue procedures and advanced first aid.view less