John S. D. Eisenhower

John Sheldon Doud Eisenhower (August 3, 1922 – December 21, 2013) was a United States Army officer and military historian. As a son of President Dwight D. Eisenhower, he ended his military career as a decorated brigadier-general. In the administration of President Richard Nixon (his father’s vice-president), he served as United States Ambassador to Belgium.