produced in association with Special Broadcasting Service, Network 0-28, Australia, and Swedish Television Channel 2 ; Third Eye Productions Ltd. for Channel Four in association with RM Arts ; producer, Penny Corke ; directors, Geoffrey Haydon, Dennis Marks
a presentation of Films for the Humanities & Sciences ; an IBT/CTVC production for Channel 4 in association with Jerusalem Productions ; producer, Leo St. Clair ; director, Alan Lewens ; narrator, Alphonsia Emmanuel