CLARK, DOUGLAS R., 74, of Springfield, passed away Wednesday, July 26, 2017 in Springfield Regional Medical Center. Doug was born February 12, 1943 in Springfield, OH to Richard and Lily (McCabe) Clark. He retired from Navistar after 38 years. Survivors include four children, Douglas R. (Jane) Clark, II, Maria (Daniel) Winslow, Jim Clark and Dianna Sutherin; and five grandchildren, Dustin, Douglas, III, Katelin, Amanda and Daniel. He was preceded in death by his loving wife of 49 years, Mary F. Clark, in 2014. Private services will be held at the convenience of the family. Arrangements by CONROY FUNERAL HOME.