Henry Steele Commager was an American historian. As one of the most active and prolific liberal intellectuals of his time, with 40 books and 700 essays and reviews, he helped define modern liberalism in the United States.

Joseph Allan Nevins was an American historian and journalist, known for his extensive work on the history of the Civil War and his biographies of such figures as Grover Cleveland, Hamilton Fish, Henry Ford, and John D. Rockefeller, as well as his public service. He was a leading exponent of business history and oral history.