a co-production of Thirteen for WNET.org and Mannes Productions, Inc. in association with ARTE/France, NDR, Australian Broadcasting Corporation with the participation of YLE ; Louise Rosen Ltd. ; a film by Elena Mannes ; executive producers, Elena Mannes, Margaret Smilow ; written and directed by Elena Mannes
a production of TLC ; in association with James Burke and the Principal Film Company, UK ; a presentation of Discovery Productions ; presented by James Burke
Home Box Office/HBO Original Programming ; directed and photographed by William A. Whiteford ; produced by Susan Hannah Hadary, William A. Whiteford ; written by Dan Keplinger ; a Whiteford-Hadary, University of Maryland, Tapestry International production
produced in association with Independent Television Service and Alabama Public Television by Hartfilms ; producer, director & editor, Jayasri Majumdar Hart ; associate producer & writer, William Hart