JFK's Last Hundred Days: The Transformation of a Man and the Emergence of a Great President by Thurston Clarke

dictating many of his most important contributions to his inaugural address to Evelyn Lincoln ten days before the inauguration. To establish his authorship of these passages, and to persuade future historians that he had written them, he copied them down from memory on a yellow legal pad a week later, and invited the reporter Hugh Sidey into his private compartment on the
Caroline
to witness the performance.