 The Ann Whitman File is held at the Eisenhower presidential library and has been deemed an "extraordinary resource" by historians.When President Eisenhower left office in January 1961, Mrs. Whitman accompanied him to his farm (now the Eisenhower National Historic Site) in Gettysburg, Pennsylvania, and continued to work for a few months as his personal secretary.She later joined the staff of New York Governor and later Vice President Nelson Rockefeller, for whom she worked until she retired in 1977.