Donald Ray Colbaugh passed away quietly at his Chattanooga home on Wednesday October 16th. He was preceded in death by his parents Samuel and Lucy Colbaugh and his grandson Brandon J. Colbaugh. He is survived by his wife of over 60 years Ruth G. Colbaugh and only son Christopher A. Colbaugh as well as many other family members and friends too numerous to list. He was veteran of the US Air Force and retiree of Combustion Engineering of Chattanooga, TN. A private service will be held at a later date.