Cooper Graham, retired film curator at the Library of Congress, is widely known for his work on Leni Riefenstahl and D. W. Griffith. His most recent book, (written with James W. Castellan and Ron van Dopperen) American Cinematographers in the Great War, 1914-1918.

Christoph Irmscher is Provost Professor of English and Director of the Wells Scholars Program at Indiana University Bloomington. A regular contributor to the Wall Street Journal, he is the author of numerous books, including, most recently, Max Eastman: A Life and Stephen Spender: Poems Written Abroad.