Donald Petersen passed away peacefully on March 9, 2012 at his daughter and son-in-law's home in Tijeras, New Mexico. Memorial services will be held on June 1st at Trinity On The Hill Episcopal Church at 11:00 AM. Interment of Don and his beloved wife Lois, who passed away on March 22, 2011, will follow at Guaje Pines Cemetery with a reception following at Trinity On The Hill Episcopal Church, located at 3900 Trinity Drive in Los Alamos. The family of Donald Peterson has entrusted the care of their loved one to DeVargas Funeral Home & Crematory of the Española Valley. 505-747-7477