Garry Wills is the author of 21 books, including the bestseller Lincoln at Gettysburg (winner of the 1992 Pulitzer Prize and the National Book Critics Circle Award), John Wayne's America, Certain Trumpets, Under God, and Necessary Evil. A frequent contributor to many national publications, including the New York Times Magazine and the New York Review of Books, he is also an adjunct professor of history at Northwestern University and lives in Evanston, Illinois.