Passionate Productions for BBC ; produced for NOVA by Holt Productions, LLC ; WGBH Boston ; produced and directed by Jemima Harrison and Sarah Holt ; writer for the BBC, Jemima Harrison ; executive producer for the BBC, Richard Klein ; senior executive producer, Paula S. Apsell
Eagle Rock Film Productions Limited in association with the Independent Film Channel ; a Bill and Ben Production ; producers, Bill Jones and Ben Timlett ; directors Bill Jones, Alan G. Parker and Ben Timlett
a production of Craft in America, Inc. ; director, Nigel Noble, Daniel Seeger ; producer, Patricia Bischetti ; writer, Steve Fenton ; creator, Carol Sauvion ; presented in association with KCET/Los Angeles