Cal served at Kenora, Sioux Lookout, Atikokan, Dryden and Ear Falls Detachments before retiring as Sergeant form the Emo Detachment on April 30, 1986. Cal is survived by his son, retired OPP Sergeant, Don Robertson Badge #9163 (Fort Frances Detachment) and predeceased by his wife Noreen and children Susan and Dale.