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
BBC TV production in association with Arts & Entertainment Network, Australian Broadcasting Corporation and Television New Zealand ; producer, Bill Treharne Jones
produced by Lou Reda Productions, Inc. for the History Channel ; A&E Television Networks ; produced by Sammy Jackson, Mort Zimmerman ; written by Norman Stahl with Jerome Alden ; directed by Don Horan