a Nutopia Ltd. production for PBS in association with OPB and BBC ; executive producers for Nutopia, Peter Lovering, Jane Root, Michael Jackson, and Steven Johnson ; series producer, Diene Petterle ; producer[s] and director[s], Nic Stacey, Julian Jones, Paul Olding
a True Vision production for WGBH/Frontline in association with BBC Television ; produced by Jezza Neumann, Lauren Mucciolo ; directed by Jezza Neumann
a Screenscope production in association with South Carolina ETV ; a film by Marilyn & Hal Weiner ; producer, Marilyn Weiner ; director-writer, Hal Weiner
PBS ; written by Rachel Dretzin ; produced and directed by Rachel Dretzin and John Maggio ; a Frontline co-production with Ark Media, LLC ; WGBH Educational Foundation