Charles M. Hubbard is Lincoln Historian Emeritus of history at Lincoln Memorial University. He is the author of several books, including Lincoln: The Law and Presidential Leadership, Corregidor in Peace and War, and Lincoln Reshapes the Presidency.

Edna Greene Medford is professor emerita of history at Howard University. She is the author of Lincoln and Emancipation, coauthor of The Emancipation Proclamation: Three Views, and editor of New York Blacks and the Diaspora, volume 3 of The New York African Burial Ground: Unearthing the African Presence in Colonial New York.