Films Media Group ; Films for the Humanities & Sciences ; Cambridge Educational ; Meridian Education ; Shopware ; a production of Public Affairs Television, Inc. ; a presentation of Thirteen/WNET New York
Films for the Humanities & Sciences, BBC Education & Training ; co-production BBC/The Open University ; produced and directed by Rob Gill and David Berry ; series producer, Dinah Lord
a production of Meridian Education Corporation ; produced by Ben Harding, Jamie Watson ; written by Stephen Skok, Ben Harding ; directed by Jamie Watson
Hilton Cordell Productions for Thirteen/WNET New York in association with SBS Independent ... [and others] ; produced by Chris Hilton ; written and directed by Peter George, Chris Hilton, Ian Walker ; director, Ashley Smith
Home Vision, a Films Incorporated Company presents ; MacNeil/Lehrer Productions ; a BBC TV co-production with MacNeil-Lehrer Productions in association with WNET ; producer and director, William Cran ; writer, Robert McCrum
BBC Education & Training ; co-production BBC/Open University ; produced and directed by Louise Bourner and Rachel Hellings ; series producer, Dinah Lord