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
written and produced by Barbara Jampel ; executive producers, Dennis B. Kane, Thomas Skinner ; produced by the National Geographic Society and WQED Pittsburgh
written by Gabriel Rotello ; directed by Gabriel Rotello, Louis C. Tarantino ; producer, Ryan T. Hurst ; produced by Flight 33 Productions, LLC for H2 Network
written and produced by Graham Chedd ; directed by Larry Engel ; a co-production of Chedd-Angier-Lewis Productions and Thirteen in association with WNET.ORG