A.J. Langguth (1933-2014) was the author of eight books of nonfiction and three novels. After Lincoln was his fourth book in a series that began in 1988 with Patriots: The Men Who Started the American Revolution. He was Saigon bureau chief for the New York Times and covered the Civil Rights Movement. He taught at the University of Southern California for twenty-seven years and retired in 2003 as emeritus professor in the Annenberg School for Communication and Journalism.