director/producer, John Edginton ; producers, Gillian Darling, Jack Silberman, George Johnson ; a Sarus/Otmoor production in co-production with the National Film Board of Canada and Channel Four Television ; in association with the Knowledge Network ... [and others]
produced by Adrian Malone ; produced in cooperation with the Center for the Book, Library of Congress ; a presentation of Discovery Networks in association with Cronkite/Ward