Liota, Vincent, film director, film producer, screenwriter.

Mitsch, Jacques, film director, film producer, screenwriter.

Wallace, Melanie (Producer)

PBS Distribution (Firm), publisher.

WGBH (Television station : Boston, Mass.), production company.

ARTE France, production company.

CNRS Images, production company.

a Nova Production by Semicolon Pictures LLC for WGBH Boston in association with Hauteville Productions for Arte France and CNRS Images ; producer, Laurie Cahalane, Melanie Wallace, Vincent Liota, Jacques Mitsch ; writer, Laurent Mizrahi, Jacques Mitsch, Gilles Pedoussaut, Vivent Meltz, Karina Si Ahmed ; directors, Vincent Liota, Jacques Mitsch.

Hamilton, Doug (Director), screenwriter, television director, television producer.

Dart, Kate, television director.

Wallace, Melanie (Producer), television producer.

Pioneer Productions, production company.

Zhongguo guo ji dian shi zong gong si, production company.

Zhong yang dian shi tai (Beijing, China), production company.

PAAN Media Holdings Co., production company.

WGBH (Television station : Boston, Mass.), production company.

PBS Distribution (Firm) film distributor, production company.

Han'guk Pangsong Kongsa, production company.

Public Broadcasting Service (U.S.) production company.

written, produced, and directed by Doug Hamilton -- written, produced, and directed by Terri Randall -- written, produced, and directed by Doug Hamilton.

a Nova production co-produced by Pioneer Film and Television Productions Limited with China International TV Corporation with CCTV-10 and PAAN Media Holdings Co. Limited, with KBS Korea in association with PBSd, for WGBH and KBS ; series director, Kate Dart ; senior series producer, Melanie Wallace.

Tiffany, Scott television producer, television director.

Glassman, Gary, screewriter, television producer.

Jeanneau, Yves, television producer.

Le Goff, Christine, television producer.

Mirowitz, Lisa, television producer, television director. .

Wallace, Melanie (Producer), television producer.

Swartz, Howard B., television producer.

Ritsko, Alan J., television director.

Apsell, Paula S., television producer.

Sanders, Jay O., 1953- narrator.

Tinworth, Rob, editor of moving image work.

Tomney, Ed, composer (expression)

Chater, John (Cinematographer), director of photography.

Werzowa, Walter, composer (expression)

Providence Pictures, Inc., production company.

WGBH (Television station : Boston, Mass.), production company.

Telfrance (Firm), production company.

ARTE France production company.

PBS Home Video production company.

PBS Distribution (Firm) film distributor.

for TelFrance, executive producers, Yves Jeanneau, Christine Le Goff ; senior producer and project director, Lisa Mirowitz ; senior series producer, Melanie Wallace ; executive producer, Howard Swartz ; managing director, Alan Ritsko ; senior executive producer, Paula S. Apsell ; a Providence Pictures production for Nova and WGBH Boston in association with TelFrance and ARTE France ; produced and directed by Scott Tiffany ; written and produced by Gary Glassman.

Sahula, Jonathan, television producer.

McMaster, Joseph, television producer, screenwriter.

Wallace, Melanie (Producer)

Swartz, Howard B., television producer.

Aspell, Paula S., television producer.

Judd, Graham, television producer, television director, screenwriter.

Streeter, Sabin, television producer, television director, screenwriter.

MacLowry, Randall, television producer, television director, screenwriter.

Cort, Julia, television producer, television director, screenwriter.

Rosen, Josh, television producer, television director, screenwriter.

DeNooyer, Rushmore, television producer, television director, screenwriter.

Elisco, David screenwriter.

Quade, Doug, television producer, film editor.

Strachan, Anna Lee, television producer.

Greene, Brian, 1963- host.

Audette, Steve, film editor.

Humphreys, Robert, director of photography.

McCarthy, Stephen (Cinematographer)

Tomney, Ed, composer (expression)

Greene, Brian, 1963- Fabric of the cosmos.

32-12 Media (Firm), production company.

Film Posse (Firm), production company.

Spine Films, production company.

Lone Wolf Documentary Group, production company.

ARTE France production company.

National Geographic Channel (Television station : Washington, D.C.), production company.

WGBH Educational Foundation, production company.

PBS Home Video film distributor.

produced and directed by Graham Judd and Sabin Streeter ; telescript by Graham Judd & Sabin Streeter ; story by Joseph McMaster and Graham Judd & Sabin Streeter produced and directed by Randall MacLowry ; telescript by Randall MacLowry ; story by Joseph McMaster and Randall MacLowry produced and directed by Julia Cort and Josh Rosen ; telescript by Julia Cort and Josh Rosen ; story by Joseph McMaster and Josh Rosen (ca. 55 min.) -- produced and directed by Rushmore DeNooyer ; telescript by Rushmore DeNooyer ; story by Joseph McMaster and David Elisco and Rushmore DeNooyer ; produced by Doug Quade ; produced by Anna Lee Strachan (ca. 56 min.)

senior producer, Jonathan Shula ; series executive producer, Joseph McMaster ; senior series producer, Melanie Wallace ; executive producer, Howard Swartz ; senior executive producer, Paula S. Apsell ; a NOVA Production by 32-12 Media (program 1), Film Posse (program 2), Spine Films (program 3), Lone Wolf Documentary Group (program 4) ; in association with ARTE France and National Geographic Channel ; WGBH Educational Foundation.