Barnes, Carl David "Dave" age 87, of Plymouth, passed away peacefully on Nov. 19, 2023 Born Jan. 12, 1936, in Des Moines IA. Graduated from Iowa State with a degree in electronics engineering. A career in computers followed. Was employed at IBM, Control Data, and other computer companies. Served 6 years in the Air Force Reserves. Was a member of the Wayzata Masonic Fraternity and Wayzata American Legion. Preceded in death by parents Russell and Eunice Barnes and two brothers. Survived by loving wife Ann for 46 happy years. Family: C. Dan Barnes, Linda Barnes (Mark) Kathy Barnes, Scott Melchior (Terri), Christi Robertson (Pat), and Brian Melchior (Kari); 11 grandchildren and 6 great-grandchildren. Funeral Service 11 am Wednesday 11/29, visitation 4-8 pm Tuesday, all at Rettinger Funeral, 425 Lake St., Long Lake. Rettinger Funeral Home Long Lake - Orono 952-473-6954