Smithsonian Channel ; National Endowment for the Humanities ; Spark Media ; directed by Andrea Kalin ; produced by Andrea Kalin, David A. Taylor, James Mirabello ; written by David A. Taylor, Olive Emma Bucklin, Andrea Kalin
a production of Florentine Films and WETA, Washington D.C. in association with BBC ; a film by Ken Burns ; writer, Geoffrey C. Ward ; producers, Ken Burns, Lynn Novick