John Eisenhower was an American military officer and author, born on August 3, 1922. He was the son of Dwight D. Eisenhower, the 34th President of the United States. John served in the U.S. Army during World War II and later became a prominent historian, focusing on military history. In addition to his military service, John Eisenhower wrote several books, including works on the American Civil War and World War II. He also held various positions in government and was involved in the Eisenhower family legacy, contributing to the preservation of his father's historical significance.