a co-production of Thirteen/WNET New York, BBC, and CBC ; series producer, William Cran ; directed by William Cran & Rebecca John ; producer, Rebecca John ; writer, William Cran
BBC Education & Training ; co-production BBC/Open University ; produced and directed by Louise Bourner and Rachel Hellings ; series producer, Dinah Lord
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